National Science Foundation

The National Science Foundation (NSF) is an independent federal agency established in 1950 and based in Alexandria, Virginia. It is dedicated to supporting research and education in science and engineering across a wide range of disciplines. The NSF provides significant non-dilutive funding, up to $1.5 million, to startups and small businesses through its America's Seed Fund initiative, which is part of the Small Business Innovation Research (SBIR) program mandated by Congress. With an operating budget of approximately $7.8 billion, the NSF is committed to advancing fundamental research and education, thus fostering innovation and technological development in the United States.

James Donlon

Program Director

Debasis Majumdar

Program Director

Graciela Narcho

Staff Associate

Sethuraman Panchanathan

Director

Past deals in CleanTech

Brightwater Tools

Grant in 2024
Brightwater Tools, a woman-led, sustainable sanitation start-up, based in Vermont, has developed a unique building-scale wastewater nutrient recovery system. Essentially, it takes source separated high strength wastewater and recycles it into natural, nutrient rich fertilizer. In addition, it reduces nutrients that go into waterways which create harmful algal blooms. Within this building-scale wastewater nutrient recovery system, Brightwater Tools has also created three proprietary pieces of equipment that will facilitate the transition needed in our built environment, focusing on basic wastewater processes such as pasteurization, concentration, filtration, and nutrient recovery. Each part can be sold individually or together. Addressing the value propositions of each, we will become a major equipment provider to this industry. With the circular approach of recycling and nutrient recovery, we are confident that a strong customer base for our products is on the horizon as we complete our prototype and beta testing.

Thiozen

Grant in 2024
Thiozen is a company based in Belmont, Massachusetts, that specializes in innovative hydrogen gas production technology aimed at reducing greenhouse gas emissions. Founded in 2020, Thiozen employs a unique chemical process that converts hydrogen sulfide into hydrogen gas. This method not only significantly lowers greenhouse gas emissions but also allows clients to bypass the carbon emissions typically associated with hydrogen production from natural gas and the high costs linked to electrolysis. By offering a low-cost and low-emission alternative, Thiozen positions itself as a key player in the transition to cleaner energy solutions.

Colorado-Wyoming Climate Resilience Engine

Grant in 2024
Colorado-Wyoming Climate Resilience Engine workforce development initiative is to promote inclusivity and diversity.CO-WY Engine will be an essential driver of economic growth, enhancing the region's competitiveness and positioning it as a leader in sustainable and climate-resilient technologies.

Agrology

Grant in 2023
Agrology is an agricultural technology company recognized for its contributions to sustainable farming practices and a recipient of a National Science Foundation award. Operating from offices in Alexandria, Virginia, and Salinas, California, Agrology provides real-time data that enables growers to assess the ecological and agronomic impacts of regenerative farming. The company focuses on monitoring soil health, microbial activity, carbon cycles, nitrous oxide emissions, net ecosystem exchange, and microclimatic conditions. This data helps farmers connect regenerative practices to measurable reductions in greenhouse gases and other ecological benefits. Additionally, Agrology's predictive agriculture system offers insights that assist farmers in adapting to climate change while improving soil sequestration and generating carbon credits. The company is trusted by prominent growers, researchers, and global consumer packaged goods brands.

Cecilia Energy

Grant in 2023
Cecilia is a start-up that focuses on tackling the plastic waste crisis by utilizing a modular microwave-based system to upcycle plastic waste into clean hydrogen and performance carbon, particularly carbon nanotubes. Funded by NASA, the company's innovative process is electricity-powered, highly energy-efficient, and capable of achieving a carbon-neutral profile with the use of renewable energy sources. By combining waste plastic processing with hydrogen production, Cecilia offers a scalable and economically viable solution to diminish plastic waste while simultaneously generating clean energy. This approach not only addresses environmental concerns but also contributes to a transition towards a cleaner energy future by reducing reliance on fossil fuels.

Sylvatex

Grant in 2022
Sylvatex, Inc. is a fuel technology company based in Los Angeles, California, founded in 2007. It specializes in the development of a unique process that combines vegetable-oil-based surfactants with microbubbles of water and ethanol to create a microemulsion. This innovative approach enables oil companies to lower their production costs while facilitating the generation of green diesel fuel. Sylvatex's technology aims to enhance the efficiency and sustainability of fuel production, contributing to a transition towards more environmentally friendly energy sources.

Octet Scientific

Grant in 2022
Octet Scientific specializes in the production of advanced organic electrolyte chemicals designed to enhance the efficiency and longevity of zinc-based batteries. The company's innovative OctoLyte products optimize electrolyte chemistry, making them suitable for a range of applications, including backup power, grid storage, portable devices, and mobility solutions. By integrating these products into existing electrolyte systems, Octet Scientific enables its customers to improve battery performance, ultimately leading to more efficient and cost-effective energy storage options.

Brightwater Tools

Grant in 2022
Brightwater Tools, a woman-led, sustainable sanitation start-up, based in Vermont, has developed a unique building-scale wastewater nutrient recovery system. Essentially, it takes source separated high strength wastewater and recycles it into natural, nutrient rich fertilizer. In addition, it reduces nutrients that go into waterways which create harmful algal blooms. Within this building-scale wastewater nutrient recovery system, Brightwater Tools has also created three proprietary pieces of equipment that will facilitate the transition needed in our built environment, focusing on basic wastewater processes such as pasteurization, concentration, filtration, and nutrient recovery. Each part can be sold individually or together. Addressing the value propositions of each, we will become a major equipment provider to this industry. With the circular approach of recycling and nutrient recovery, we are confident that a strong customer base for our products is on the horizon as we complete our prototype and beta testing.

Ecoclosure

Grant in 2022
Ecoclosure, founded in 2019 and based in Charlotte, North Carolina, specializes in regenerable building enclosures designed for commercial, industrial, and residential applications. The company focuses on developing technology that aims to improve indoor air quality while reducing energy consumption in buildings. Its innovative enclosures are equipped with monitoring and automation features, allowing for customized solutions tailored to various building programs, climate zones, and orientations. By prioritizing the creation of healthy indoor environments, Ecoclosure enhances occupant well-being and revitalizes indoor air quality.

The Emerald Tutu

Grant in 2022
The Emerald Tutu specializes in developing floating landscape infrastructure aimed at mitigating the effects of climate change. The company's innovative approach involves creating an interlinking array of fibrous floating mats infused with biomatter, which serve to absorb and transfer energy throughout the network. This technology is designed to reduce coastal flooding and protect waterfront areas from extreme weather events, ultimately enhancing the habitability of these regions. By providing waterfront amenities that address ecological challenges, The Emerald Tutu contributes to sustainable solutions for climate resilience.

Altect

Grant in 2022
Altect eliminates the build-up of explosive and toxic gases. Their TRAPS uses a series of physiochemical processes to neutralize flammable and toxic battery gases into inert, non-hazardous gases. They enabled fire protection systems to provide preventative fire mitigation protection for Li-ion batteries, regardless of whether they are installed in an electric vehicle or stored in a warehouse.

Aesir Technologies

Grant in 2022
Aesir Technologies specializes in the development and commercialization of next-generation Nickel-Zinc (Ni-Zn) battery technologies that utilize sustainable, non-toxic materials that can be safely and easily recycled. Aesir Technologies was incorporated in 2011 and has a research and development (R&D) facility in Bozeman, Montana, and a low-rate initial production facility in Joplin, Missouri.

PolyGone Systems, Inc

Grant in 2022
PolyGone Systems is a cleantech company that removes microplastic pollutants from waterways. PolyGone Systems was founded in 2021.

Aqua Science

Grant in 2022
Aqua Science offers a global platform of technologies and fast and reliable solutions for the testing and treatment of water. They provide research and development, custom reagent and kit manufacture, product assembly, lyophilization services, and contract manufacturing services.

Birch Biosciences

Grant in 2022
Birch Biosciences focuses on developing a proprietary platform that engineers enzymes for an innovative and sustainable plastic recycling process. By utilizing artificial intelligence, bioinformatics, and high-throughput screening techniques, the company creates enzymes that naturally and efficiently break down plastics. This method stands out from traditional recycling by producing virgin-quality, environmentally sustainable, and cost-competitive recycled materials, thereby contributing to a circular plastics economy. Birch Biosciences aims to provide businesses with an effective solution for addressing plastic waste while ensuring economic viability.

Arctura

Grant in 2022
Arctura is focused on advancing sustainable energy solutions, particularly in the wind energy sector. The company develops innovative technologies aimed at enhancing the efficiency and profitability of renewable energy plants. Their solutions address significant challenges in the industry, such as reducing costs associated with lightning damage, minimizing losses from underperforming wind assets, and mitigating the risks of curtailment. Additionally, Arctura has created a green nitric acid technology that synthesizes nitric acid using air, water, and renewable electricity. This innovation not only provides clients with affordable energy options but also contributes to lowering the carbon footprint of various industries, while supporting local energy demands from wind and solar sources.

TEVERRA

Grant in 2022
TEVERRA is a clean energy technology company that provides innovative subsurface solutions aimed at optimizing carbon storage, energy storage, and geothermal operations. The company focuses on converting oil and gas assets into geothermal resources and offers a range of services including subsurface thermal energy storage, geothermal systems, and power plant design. Additionally, TEVERRA specializes in subsurface monitoring, visualization, and control for both geothermal and oil and gas sectors. By developing advanced technology and implementing international projects, TEVERRA supports the transition to a low-carbon and sustainable energy mix.

Paradigm of New York

Grant in 2022
Paradigm of New York designs and manufactures pollution control devices for diesel and gasoline engines. Paradigm's customers save money on diesel fuel and engine maintenance and improve their productivity. Paradigm was founded to provide unique pollution control devices for the diesel engine industry. Diesel engines are used worldwide as the workhorse of transportation, construction, mining, industry, marine, and agriculture. While diesel engines provide the ultimate in performance and longevity, they are inherently dirty engines resulting in two sets of problems. First, their exhaust gases contain hazardous pollutants such as CO, NOx, and carbon particulate matter (PM) or soot which are associated with childhood asthma, respiratory disease, cancer, emphysema, and cardiovascular disease. Secondly, complicated pollution control systems and devices are required by the EPA to control these hazardous pollutants. These systems and devices are expensive to operate and maintain and they use more diesel fuel. Paradigm technology reduces PM soot in the exhaust. As a result, Paradigm's customers can use their engines with reduced pollution while saving money on maintenance, saving money on diesel fuel, and improving their engine productivity.

PHAXTEC

Grant in 2022
PHAXTEC provides natural material solutions to serve the foodservice packaging, agriculture, and personal care industries. Their PHA biopolymers are biodegradable in soil, freshwater, and marine environments like cellulose or paper.

Moka Blox

Grant in 2022
Moka Blox reduces the carbon footprint associated with blockchain and allows every company to benefit from using blockchain. They allow every organization to utilize and set up a private chain with minimum effort across any cloud-based solution.

Re-Synth International

Grant in 2022
Re-Synth International provides cost benefits derived from fuel efficiency while also decreasing your environmental footprint. Their patented technologies reduce the cost of clean fuel by eliminating contaminants without producing harmful by-products or changing the viscosity of the fuels.

Torre Space and Power Systems

Grant in 2022
Torre Space and Power Systems specializes in developing innovative electrical power generation technologies tailored for spacecraft, orbiting platforms, and planetary bases. Utilizing the principles of magnetohydrodynamics, the company harnesses the naturally occurring high-energy ionized plasma emitted by the sun to create a new form of energy production in space. This technology aims to provide essential insights and solutions for various space applications, thereby supporting both governmental and commercial endeavors in the exploration and utilization of outer space.

Ladon Robotics

Grant in 2022
Ladon Robotics specializes in the development of autonomous cargo vessels that harness wind and solar power for efficient transportation. By integrating sails coated with advanced solar cells, these vessels can charge batteries that sustain operations even in the absence of wind. This innovative approach allows Ladon Robotics to offer a reliable and cost-effective alternative to conventional cargo ships, enabling clients to significantly reduce fuel and labor expenses. The company's focus on automation and swarm logistics further enhances the efficiency of cargo services, positioning it as a leader in sustainable maritime logistics.

HardShell Labs

Grant in 2022
HardShell Labs develops and launches services and products producing profits and environmental conservation internet-controlled guardian angel rovers, predation research on endangered juvenile desert tortoises by ravens, and laser research for agricultural use.

NextGen Battery Technologies

Grant in 2022
NextGen Battery Technologies focuses on the development of innovative electric vehicle batteries utilizing proprietary solid-state electrolyte and cobalt-free cathode technology. Their HC series of composite electrolytes effectively merges the advantageous characteristics of ceramic and polymeric materials. This battery technology is designed to facilitate the large-scale adoption of electric vehicles by providing a high-performance energy solution that maintains high ionic conductivity across a range of temperatures. The synthesis of these batteries employs scalable processes, allowing car manufacturers to easily integrate them as drop-in replacements for existing cathode materials.

Nth Cycle

Grant in 2022
Nth Cycle is a metal processing technology company that focuses on recovering critical minerals through innovative electro-extraction methods. It collaborates with battery recyclers and mining operations to extract production-grade minerals from e-waste and low-grade mine tailings, offering a cleaner and more customizable alternative to traditional hydrometallurgical and pyrometallurgical processes. By utilizing its advanced recycling technology, Nth Cycle aims to reduce reliance on primary mining, thereby creating a sustainable secondary source of rare earth metals in the United States. This approach supports the manufacturing and recycling industries while contributing to advancements in clean energy.

AM Batteries

Grant in 2022
AM Batteries manufactures Li-ion batteries using solvent-free electrode manufacturing technology. The company was founded in 2016 and is headquartered in Chelmsford, Massachusetts.

SkyNano

Grant in 2022
SkyNano is a technology company dedicated to addressing carbon pollution through innovative solutions. It specializes in converting carbon emissions into valuable chemical feedstocks for the production of advanced carbon materials. Utilizing proprietary electrochemistry, SkyNano offers a low-cost and scalable manufacturing process that is both sustainable and efficient. The company's approach aims to provide functional materials that can have a wide range of applications, helping clients mitigate the adverse effects of climate change while promoting a more sustainable future.

NanoFlex Power

Grant in 2022
NanoFlex Power Corporation specializes in the research, development, commercialization, and licensing of advanced photovoltaic technologies focused on thin-film solar products. Based in Scottsdale, Arizona, the company has established a portfolio of U.S. patents and international counterparts resulting from its sponsored research programs. Its innovations include Gallium Arsenide-based solar thin films and organic photovoltaic materials, which are designed for high efficiency, flexibility, and aesthetic applications such as semi-transparency and tinting. The technologies are applicable across a wide range of sectors, including portable and off-grid power generation, building-integrated photovoltaics, aerospace, and automotive industries, as well as Internet of Things applications. Founded in 1994, NanoFlex Power aims to unlock new opportunities in solar energy with its cost-effective and high-performance solutions.

Sequoia Scientific

Grant in 2021
Sequoia Scientific provides technologies for submersible and field measurements of particles and particle size distributions.

Rubi Laboratories

Grant in 2021
Rubi Laboratories is a California-based company that specializes in the development of technology to manufacture carbon-negative textiles. The firm utilizes innovative sustainable solutions to convert carbon emissions into natural fibers, resulting in biodegradable textiles. Its technology directly synthesizes threads, providing a natural resource for the production of viscose that is carbon-negative, as well as being water-chemical, land-neutral, traceable, and environmentally friendly. Rubi Laboratories aims to address the environmental impact of textile manufacturing by offering a more sustainable alternative in the industry.

Two Bears Environmental Consulting

Grant in 2021
Two Bears Environmental Consulting, founded in 2015 and based in Anchorage, Alaska, specializes in providing environmental services that assess the impact of climate change on various projects. The company produces climate impact statements that evaluate environmental influences and projected climate scenarios, helping clients understand potential risks. Additionally, Two Bears assists in securing grants from government and organizational sources, and offers unmanned aerial vehicle (UAV) services for drone-based data collection. This combination of services helps ensure regulatory compliance and promotes sustainable practices among businesses.

OXbyEL Technologies

Grant in 2021
OXbyEL Technologies is focused on addressing the global challenge of PFAS water contamination through its innovative electro-oxidative technology. The company has developed a proprietary TOF Electrolyzer that enables the efficient and cost-effective destruction of Total Organic Fluorine in water and wastewater. This technology operates in a single step, eliminating the need for chemicals and producing no harmful secondary waste or emissions. With a scalable modular design, OXbyEL's system is intended to provide sustainable and accessible water treatment solutions, making it a significant player in the effort to combat environmental pollution caused by PFAS.

Thiozen

Grant in 2021
Thiozen is a company based in Belmont, Massachusetts, that specializes in innovative hydrogen gas production technology aimed at reducing greenhouse gas emissions. Founded in 2020, Thiozen employs a unique chemical process that converts hydrogen sulfide into hydrogen gas. This method not only significantly lowers greenhouse gas emissions but also allows clients to bypass the carbon emissions typically associated with hydrogen production from natural gas and the high costs linked to electrolysis. By offering a low-cost and low-emission alternative, Thiozen positions itself as a key player in the transition to cleaner energy solutions.

Uncaged Innovations

Grant in 2021
Uncaged Innovations develops next-generation materials to recreate bovine and exotic leather through advancements in materials chemistry and digital manufacturing, providing businesses from luxury fashion to automotives with an alternative to animal skin and sustainable and ethical services.

Volexion

Grant in 2021
Volexion Inc. is a manufacturer of lithium-ion batteries based in Chicago, Illinois, established in 2018. The company specializes in innovative graphene coating technology designed for commercial lithium-ion cathode materials. This advanced technology significantly enhances battery performance, offering improvements such as longer battery life, better power output, and a broader voltage range. Volexion's approach provides clients with a stable and efficient solution that optimizes the electrochemical performance of conventional lithium-ion batteries.

SuperClean Glass

Grant in 2021
SuperClean Glass develops technology that is based on proprietary electrodes that generate electric fields to sweep away dust from solar panels, thereby offering cleaning efficiency that is focused on utility-scale solar installations in desert regions.

Rapid Radicals Technology

Grant in 2021
Rapid Radicals Technology develops wastewater treatment technology for municipal sewerage districts to address combined sewer overflows. The company was founded in 2016 and is headquartered in Milwaukee, Wisconsin.

Spekciton Biosciences

Grant in 2021
Spekciton Biosciences provides biophotonic measurement systems and services, such as the rapid and precise early detection of plant stress and viability, as well as biosensors to detect fast soil and water contamination.

NoMIS Power Group

Grant in 2021
NoMIS Power Group specializes in the manufacturing of silicon carbide power semiconductor devices and packaging architectures. The company develops silicon carbide-based power modules that support the global energy transition by enabling the use of innovative semiconductor devices and power packaging materials. Their offerings aim to help businesses reduce energy costs while promoting electrified transportation and renewable energy infrastructure. In addition to their product line, NoMIS Power provides technical consulting, SiC design services, and research and development support tailored for the electronics sector.

CrossLink Composites

Grant in 2021
CrossLink Composites, founded in 2017 and based in Harriman, Tennessee, specializes in developing proprietary carbon fiber technology tailored for various industrial applications. The company focuses on providing low-cost, high-performance carbon fiber and composites designed for sectors such as cleantech, automotive, wind energy, and civil infrastructure. By emphasizing high-volume industrial applications, CrossLink Composites aims to meet the specific needs of its customers with customized carbon fiber solutions.

AvantGuard

Grant in 2021
AvantGuard creats innovative solutions that manage surfaces and provide long-term protection against viruses, bacteria, and fungi/mold, in a variety of applications.

HeXalayer

Grant in 2021
HeXalayer, located in Louisville, KY, specializes in advanced lithium-ion battery technology, utilizing a proprietary carbon material known as IML Graphene. This innovative approach enhances the capacity and performance of rechargeable batteries, specifically designed for battery-powered vehicles. The company has developed graphene anode batteries that have been integrated into thirty prototype battery cells, demonstrating effective performance through rigorous testing. HeXalayer's technology focuses on providing cost-effective materials that ensure stable long-term cycling characteristics, offering customers reliable energy storage solutions.

Valgotech

Grant in 2021
Valgotech, founded in 2018 and located in Fishers, Indiana, focuses on advanced materials and energy storage solutions, particularly in the realm of renewable energy systems. The company develops innovative hybrid composites utilizing micro and nanomaterials to enhance the energy density and cycling performance of lithium-ion batteries. By improving these aspects, Valgotech aims to deliver high-performance energy storage options that remain affordable for clients, thereby advancing the efficiency and accessibility of clean energy technologies.

Minerva Lithium

Grant in 2021
Minerva Lithium, founded in 2020 in Greensboro, North Carolina, specializes in developing advanced extraction techniques for critical minerals, particularly lithium. The company focuses on direct lithium extraction technology designed to enhance the recovery of lithium while also recovering usable water. Utilizing a proprietary nano mosaic membrane filter system, Minerva Lithium enables various sectors, including renewable energy, automotive, and technology, to extract high-grade pure minerals from non-traditional water resources. Its innovative approach aims to accelerate the development of clean energy technologies and support the growing lithium market.

SunDensity

Grant in 2021
SunDensity has developed a groundbreaking Photonic Smart Coating (PSC™) technology that enables the up and down conversion of the wavelengths in white light (UV to IR) to match the desired band which can solve several in-efficiencies in photonics. By conversion of spectrum, they have developed, and field tested a patent-pending PSC™ that significantly reduces the cost of electricity generated by solar photovoltaics (PV) applications, customizes thermal and optical behavior of architectural glass, and increases the quantum efficiency of optoelectronic instruments.

Lelantos

Grant in 2021
Lelantos is innovating the gas sensing industry by creating advanced IoT-compatible gas sensors designed for various monitoring applications, including threat detection, industrial safety, environmental and air quality monitoring, and medical diagnostics. The company utilizes micro-electromechanical systems (MEMS) resonator arrays integrated into conventional silicon microchips, resulting in sensors that are miniature, low-power, and cost-effective while delivering superior detection performance compared to existing technologies. Lelantos aims to enhance safety, cleanliness, and health for current and future generations through its cutting-edge solutions.

SIEV

Grant in 2021
SIEV Technologies develops a catalytic membrane technology that will convert biomass waste into useful bio-products. The company was founded in 2020 and is headquartered in Fayetteville, Arkansas.

Battery Streak

Grant in 2021
Battery Streak makes batteries that charge in less than 10 minutes, discharge with high power last longer than traditional Lithium Ion batteries, and never get hot.

Cypris Materials

Grant in 2021
Cypris Materials specializes in the development and distribution of sustainable colors through non-toxic pigments and dyes. The company offers a structural coating platform designed to enhance the color options available to both businesses and individuals, enabling them to redefine their color choices. In addition to a broad color gamut, Cypris Materials is also focused on creating paintable heat-reflective coatings that serve as retrofits for roofing in residential and commercial buildings. This commitment to environmentally friendly solutions allows customers to access sustainable color options that meet contemporary environmental standards.

CryoDesalination

Grant in 2021
CryoDesalination is a Houston-based company founded in 2012 that focuses on developing an innovative desalination process aimed at providing access to clean water globally. The company's technology utilizes a unique method of ice-brine separation, which involves the interaction of oil, brine, and ice within a separation column. This approach is designed to be both energy-efficient and cost-effective, utilizing low-cost materials to make desalination more accessible. By addressing water scarcity, CryoDesalination aims to significantly enhance the quality of life for those affected by a lack of fresh water, helping communities to improve their living conditions and achieve greater independence.

Biko Biolabs

Grant in 2021
Biko Biolabs is a research company focused on the intersection of plastic waste and regenerative agriculture. The company was founded in 2020 and is based in Somerville, Massachusetts.

Green Light Labs

Grant in 2021
Green Light Labs specializes in assisting organizations in enhancing their operational efficiency while promoting sustainability. The company focuses on measuring the costs associated with mobility, which enables businesses to save money, improve employee retention, and reduce carbon dioxide emissions. Through its marketing platform, Green Light Labs encourages users to transition to electric vehicles by analyzing their driving habits and calculating potential cost savings from various vehicle options. This approach empowers organizations to gain insights into their fuel consumption and make informed decisions about adopting environmentally friendly transportation solutions that align with their financial capabilities.

Andluca

Grant in 2021
Andluca is a company that specializes in the development of innovative smart glass and smart window products, utilizing UV light and solar energy to enhance energy efficiency in buildings and homes. Founded in 2017 as a spin-out from Princeton University, Andluca has established its operations in New York and California. The company focuses on advanced solar materials, coatings, and embedded systems that enable glass and window products to respond intelligently to environmental changes. Its products can be installed like conventional windows or facades, offering a cost-effective solution that reduces installation time and the carbon footprint typically associated with traditional smart window technologies. Through partnerships with window and facade manufacturers, Andluca provides a diverse range of smart glass options to its clients.

Phoenix Waste Solutions

Grant in 2021
Phoenix Waste Solutions develops cutting-edge technology for waste disposal machines that are both pollution-free and fuel-free. The company was founded in 2019 and is headquartered in Chauvin, Louisiana.

Corrolytics

Grant in 2021
Corrolytics specializes in providing testing kits designed for corrosion engineers and pipeline operators in the oil and gas industry. Their electrochemical technology enables real-time measurement of corrosion and differentiation between microbial-induced corrosion and other types, thereby helping clients to prevent damage and enhance the safety of their pipelines. By facilitating the maintenance of existing sampling and operational workflows, Corrolytics' solutions contribute to reducing the need for biocide and chemical treatments, ultimately lowering replacement costs and minimizing the risks of catastrophic injuries or oil spills.

Sperra

Grant in 2021
Sperra is focused on advancing renewable energy through innovative energy storage and construction technologies. The company has developed a long-duration energy storage solution known as M-PHES, which utilizes large hollow concrete spheres placed on the seafloor to store mechanical energy as pressure. This system retains the advantages of conventional pumped hydro storage while expanding deployment possibilities, reducing development timelines, and enhancing modularity. Additionally, Sperra is pioneering three-dimensional concrete printing technology to create custom infrastructure for offshore wind, floating solar, and wave energy projects. By employing automated design and construction methods, the company minimizes material waste and carbon emissions while utilizing local resources, thereby contributing to more resilient and cost-effective solutions for the renewable energy sector.

Repela

Grant in 2021
Repela Tech is commercializing a novel marine antifoulant that prevents biofouling in a safe, eco-friendly way. They create a first-of-its-kind antifouling coating product that is environmentally friendly.

Cruz Foam

Seed Round in 2021
Cruz Foam, Inc. is a manufacturer of structural foams that addresses the issue of plastic pollution by providing eco-friendly alternatives to conventional petroleum-based foams. Founded in 2017 and based in Santa Cruz, California, the company transforms chitin, a biopolymer derived from shrimp shells, into biodegradable packaging materials. Cruz Foam's products are used across various industries, including consumer packaging, electronics, automotive, and shipping, offering scalable and compostable solutions that can be integrated into existing supply chains at competitive costs. By focusing on sustainability, Cruz Foam aims to empower industry leaders to adopt environmentally friendly practices and reduce reliance on single-use plastics.

Recurrent

Grant in 2021
We provide car dealers and private party buyers with vehicle reports for used electric cars. Understanding the battery health and typical ranges of electric cars as they age is more complicated. And it's more important than knowing the odometer reading.

Margik

Grant in 2021
Margik is a manufacturer of organic electronic devices that specializes in the research and development of sustainable lighting technology. The company focuses on creating thin, customizable printed lighting solutions, including fully recyclable organic light stickers and business cards. These innovative products not only enhance brand visibility but also offer elevated thermal, chemical, and electronic stability. By providing environmentally friendly options, Margik aims to help clients reduce greenhouse gas emissions associated with consumer use, contributing to a more sustainable future in the consumer electronics industry.

RePurpose Energy

Grant in 2021
RePurpose Energy specializes in the development of sustainable energy storage systems utilizing repurposed electric vehicle batteries. By converting battery waste into valuable resources, the company enhances the resilience and sustainability of battery supply chains while supporting the global shift towards renewable energy. RePurpose Energy's innovative approach includes bundling reused EV batteries with advanced hardware and software solutions that monitor and manage various parameters such as temperature and charge levels. This enables clients to effectively address the complexities associated with second-life energy storage, ultimately contributing to a more sustainable energy landscape.

Active Energy Systems

Grant in 2021
Active Energy Systems is leveraging its scientific expertise to develop and market an improved form of ice thermal energy storage. The company's headquarters are in Knoxville, Tennessee.

Syzygy Plasmonics

Grant in 2021
Syzygy Plasmonics, Inc. is a Houston-based company that designs, develops, and manufactures photocatalytic reactor systems for industrial chemical reactions. Founded in 2017, the company focuses on creating reactors capable of generating fuel cell quality hydrogen from ammonia, making them suitable for small-to-medium-scale applications and hydrogen refueling stations for fuel cell vehicles. Unlike conventional chemical reactors, Syzygy's technology operates using light as an energy source and at temperatures over 1,000°F lower, which significantly reduces maintenance costs and allows for rapid production start-stop capabilities. This innovative approach not only enhances efficiency but also supports the decarbonization of hard-to-abate industries by enabling the use of renewable electricity and minimizing reliance on fossil fuels.

Cruz Foam

Grant in 2021
Cruz Foam, Inc. is a manufacturer of structural foams that addresses the issue of plastic pollution by providing eco-friendly alternatives to conventional petroleum-based foams. Founded in 2017 and based in Santa Cruz, California, the company transforms chitin, a biopolymer derived from shrimp shells, into biodegradable packaging materials. Cruz Foam's products are used across various industries, including consumer packaging, electronics, automotive, and shipping, offering scalable and compostable solutions that can be integrated into existing supply chains at competitive costs. By focusing on sustainability, Cruz Foam aims to empower industry leaders to adopt environmentally friendly practices and reduce reliance on single-use plastics.

Rebel Research

Grant in 2021
Rebel Research, founded in 2020 and based in Torrance, California, focuses on developing innovative technologies to tackle significant challenges in energy and environmental sustainability. The company operates an environmental technology laboratory that fosters creativity and idea generation, allowing scientists and engineers to explore and implement solutions for a sustainable and equitable future. Through its commitment to addressing pressing global issues, Rebel Research aims to contribute positively to both the environment and society.

Jet-Set Offset

Grant in 2021
Jet-Set Offset is a donation-based carbon-offsetting tool designed to address the environmental impact of air travel. It provides a consumer-friendly alternative to traditional carbon marketplaces by facilitating automatic, mileage-based donations from travelers to nonprofit environmental organizations. When travelers or companies subscribe to Jet-Set Offset, they can support their chosen nonprofit with a contribution of one cent per mile flown. This innovative platform connects eco-conscious travelers with organizations focused on local climate solutions, including certified carbon offset projects, advocacy, education, renewable energy, reforestation, and conservation efforts. By raising awareness and encouraging action, Jet-Set Offset aims to inspire both individuals and businesses to contribute positively to the environment while traveling.

CelluDot

Grant in 2021
CelluDot is a biopolymer company focused on developing innovative suspensions and emulsions to tackle the issue of agrochemical drift. The company's technology offers an affordable and effective adjuvant designed to alleviate challenges faced by farmers due to the vapor and particle drift of herbicides. By utilizing wood waste to extract and process nanocellulose, CelluDot creates emulsion technologies that do not rely on petroleum-derived surfactants. This approach not only addresses the environmental impact of volatile herbicides, such as dicamba, but also supports sustainable agricultural practices.

Caribou Biofuels

Grant in 2021
Caribou Biofuels manufactures biofuels for the conversion of biomass into fuels. The company was established in 2017 and is based in Modesto, California.

Silartek

Grant in 2021
SilarTek, founded in 2020 and based in Leominster, Massachusetts, focuses on developing innovative solar silicon technology to enhance the affordability of solar panels. The company employs molten salt electrolysis combined with advanced molten salt compositions to produce low-cost solar-grade silicon. This technology aims to make solar energy more accessible to a broader consumer base, facilitating the adoption of renewable energy solutions.

Coreshell

Grant in 2021
Coreshell Technologies, Inc. is a company focused on developing advanced lithium-ion batteries, primarily targeting the electric vehicle and grid storage markets. Founded in 2017 and based in Berkeley, California, Coreshell has pioneered a nanolayer thin-film coating technology that addresses the degradation issues commonly faced by rechargeable batteries. This innovative coating protects battery electrodes from chemical reactions that can diminish capacity and safety, thereby enhancing the overall performance and durability of the batteries. By seamlessly integrating into existing manufacturing processes, Coreshell's technology aims to significantly improve battery capacity, safety, and cost-effectiveness, facilitating a smoother transition to electric transportation and renewable energy solutions.

SpadxTech

Grant in 2021
SpadXTech provides microbes and synthetic biology to ameliorate climate change, reduce air and water pollution, and address the problem of plastic waste. They combine green fermentation techniques and proprietary biotechnology to produce customizable materials.

Electra

Grant in 2021
Electra is dedicated to reducing carbon dioxide emissions in the iron and steel production industry through innovative electrochemical and hydrometallurgical processes. The company has developed alternative steelmaking technology that aims to electrify and decarbonize the production process, allowing for the creation of low-carbon clean iron from various ores. By utilizing renewable energy sources, Electra enables steel producers to lower energy intensity and costs, contributing to a more sustainable approach to steelmaking.

Molten Salt Solutions

Grant in 2021
Molten Salt Solutions is a technology firm based in Santa Fe, New Mexico, established in 2018. The company focuses on advancing nuclear power technology by developing a platform that facilitates molten salt synthesis and purification. This innovative approach aims to produce large quantities of isotopically-enriched materials essential for both advanced fission and fusion nuclear power. Molten Salt Solutions' technology addresses critical requirements for energy security and reducing carbon emissions, thereby supporting businesses in the rapid development and deployment of isotope enrichment applications.

BlueDot Photonics

Grant in 2021
BlueDot Photonics, Inc. is a company based in Kirkland, Washington, that designs, develops, and produces solar panels and various photonic devices. Established in 2019, the company focuses on enhancing solar panel performance and durability through innovative semiconductor materials. By improving the power output of solar panels, BlueDot Photonics aims to make clean energy more accessible and affordable for a broader range of customers.

Verdox

Grant in 2021
Verdox is dedicated to reversing climate change through the development and deployment of advanced technology. The company’s proprietary electro-swing process, developed at MIT, enables carbon dioxide and other acid gases to be captured with up to 80% less energy and 70% less cost than conventional approaches.

Heirloom

Grant in 2021
Heirloom specializes in direct air capture technology aimed at enhancing the natural absorption of carbon dioxide from the atmosphere. The company's innovative system accelerates the ability of limestone to capture CO2, allowing for its permanent storage underground. By operating on renewable energy, Heirloom's technology promotes carbon capture and utilization at a large scale, with the goal of removing significant amounts of atmospheric CO2. This approach not only minimizes secondary impacts but also supports clients in restoring the atmosphere through natural processes.

Minerva Lithium

Pre Seed Round in 2021
Minerva Lithium, founded in 2020 in Greensboro, North Carolina, specializes in developing advanced extraction techniques for critical minerals, particularly lithium. The company focuses on direct lithium extraction technology designed to enhance the recovery of lithium while also recovering usable water. Utilizing a proprietary nano mosaic membrane filter system, Minerva Lithium enables various sectors, including renewable energy, automotive, and technology, to extract high-grade pure minerals from non-traditional water resources. Its innovative approach aims to accelerate the development of clean energy technologies and support the growing lithium market.

Innovasonic

Grant in 2020
Innovasonic, Inc. is developing a disruptive self-cleaning technology — PiezoWipe™. It is an active cleaning using ultrasonic energy emitted from an invisible and transparent micro-transducer array integrated with glass or film.

Alpha-En

Grant in 2020
Alpha-En Corporation is a development stage company based in Yonkers, New York, founded in 1969. The company specializes in the development of innovative technologies for manufacturing high purity lithium metal, a vital component for lightweight and high energy density batteries. Alpha-En focuses on creating battery components and lithium compounds while prioritizing environmentally sustainable practices. The company has pioneered a production process that allows for the manufacture of lithium metal at room temperature using clean technology, minimizing environmental impact. As it seeks to advance next-generation battery technologies, Alpha-En aims to deliver its products in a cost-effective manner, contributing to the growing demand for sustainable energy solutions.

Symbrosia

Grant in 2020
Symbrosia is a California-based cleantech startup founded in 2018 that focuses on reducing livestock methane emissions through innovative feed supplements. The company has developed a proprietary product called Seagraze, which is derived from fast-growing Asparagopsis seaweed strains. By incorporating this seaweed into cattle feed, Symbrosia enables ranchers and livestock producers to significantly lower greenhouse gas emissions associated with livestock farming. Through its efforts, Symbrosia aims to promote sustainable agricultural practices while addressing environmental challenges linked to livestock methane production.

Paramount Planet Product

Grant in 2020
Paramount Planet Product is a startup based in Orono focused on reducing ocean pollution through the development of low-cost, compostable plant-based packaging. The company's innovative products mimic the characteristics of plastic while being environmentally safe, as they are designed to break down in ocean environments without causing harm. By utilizing ocean compostable materials, Paramount Planet Product aims to enhance packaging performance while minimizing environmental impact. Their commitment to creating fish-friendly packaging addresses the urgent need for sustainable solutions in single-use items, allowing customers to adopt environmentally responsible practices in their operations.

Outward Technologies

Grant in 2020
Outward Technologies offers in-space manufacturing and space resource utilisation, which is a burgeoning industry seeing rapid growth. As they develop space infrastructure and human settlements on other planetary bodies,

SurfPlasma

Grant in 2020
SurfPlasma is a company based in Gainesville, Florida, founded in 2009, that specializes in the development of eco-friendly devices aimed at removing biological and chemical impurities to enhance environmental quality. The company offers portable and lightweight devices that utilize plasma clean technology, which effectively destroys contaminants while maintaining minimal power demands. SurfPlasma's innovations contribute to improving the quality of water, air, food, clothing, and surfaces, ultimately enhancing the overall quality of life for users.

Lux Semiconductors

Grant in 2020
Lux Semiconductors specializes in the development of crystalline thin-film semiconductors aimed at enhancing the integration of semiconductor chips. The company utilizes a proprietary system-on-foil platform that supports heterogeneous integration, allowing for the incorporation of silicon circuitry onto a patterned flexible silicon substrate. This innovative approach enables the production of densely integrated, durable, lightweight, and flexible devices. Lux Semiconductors' technology serves a variety of sectors, including aerospace, defense, clean energy, medical, and consumer internet-of-things electronics, facilitating the fabrication of advanced electronic components that address current industry challenges.

Curie

Grant in 2020
Curie Co is a life science company dedicated to developing sustainable alternatives to harmful chemicals by engineering enzymes and marine biomaterials. The company focuses on replacing petrochemical-based ingredients with 100% safe and sustainable options derived from recycled marine sources, branded as OceanSafe. Curie Co aims to provide consumers with familiar products available at major retailers like Walmart, Target, and CVS, all while maintaining competitive price points. Their innovative approach enables businesses across various industries to adopt eco-friendly packaging solutions without sacrificing quality or performance. By positioning itself as a trusted supplier of engineered enzymes and biopolymers, Curie Co strives to lead the way in promoting environmentally responsible practices in product development.

Metalmark Innovations

Grant in 2020
Metalmark Innovations, Inc. develops advanced 3D nanostructured coatings designed to treat airborne pollutants and toxins, thereby enhancing indoor air quality. The company offers its innovative materials as coating additives for various applications, including building materials and vehicle interiors. Its technology effectively targets and breaks down harmful substances such as hydrocarbons, carbon monoxide, ozone, PM2.5, volatile organic compounds, odors, and germs in diverse transportation settings, including airplanes, ships, trains, cars, and buses. Founded in 2017 and based in Boston, Massachusetts, Metalmark Innovations aims to address the pressing challenges of air pollution and climate change through its cutting-edge air cleaning solutions. The company was previously known as Aircrew Technologies, Inc. before rebranding in January 2019.

Aclarity

Grant in 2020
Aclarity, LLC is a cleantech startup established in 2017 and based in the United States. The company specializes in manufacturing and marketing advanced water purification devices designed for residential use. Aclarity's systems utilize innovative electrochemical technology to effectively eliminate a wide range of contaminants, including pathogens, metals, volatile organic compounds (VOCs), per- and polyfluoroalkyl substances (PFAS), and ammonia from water. These devices provide customers with cost-effective and low-maintenance solutions for comprehensive water treatment, addressing the pressing need for clean water in homes and contributing to broader environmental sustainability efforts.

Infinite Cooling

Grant in 2020
Infinite Cooling Inc. specializes in water recovery systems designed for power plants and other industrial facilities. Founded in 2017 and based in Massachusetts, the company focuses on mitigating water scarcity by employing innovative technology that utilizes high-voltage electric fields to capture and recycle water evaporating from cooling towers. This approach allows power plants, data centers, and factories to significantly reduce water consumption and treatment costs, thereby promoting more sustainable operations. Through its efforts in wastewater management and recycling, Infinite Cooling aims to address environmental challenges related to water waste in industrial processes.

The Emerald Tutu

Grant in 2020
The Emerald Tutu specializes in developing floating landscape infrastructure aimed at mitigating the effects of climate change. The company's innovative approach involves creating an interlinking array of fibrous floating mats infused with biomatter, which serve to absorb and transfer energy throughout the network. This technology is designed to reduce coastal flooding and protect waterfront areas from extreme weather events, ultimately enhancing the habitability of these regions. By providing waterfront amenities that address ecological challenges, The Emerald Tutu contributes to sustainable solutions for climate resilience.

2Witech Solutions

Grant in 2020
2Witech Solutions specializes in the development of rapid and low-cost PFAS sensors. 2Witech's PFAS rapid sensing film allows for accurate PFAS concentration measurements without the long wait times or high costs associated with traditional PFAS laboratory testing.

Lelantos

Grant in 2020
Lelantos is innovating the gas sensing industry by creating advanced IoT-compatible gas sensors designed for various monitoring applications, including threat detection, industrial safety, environmental and air quality monitoring, and medical diagnostics. The company utilizes micro-electromechanical systems (MEMS) resonator arrays integrated into conventional silicon microchips, resulting in sensors that are miniature, low-power, and cost-effective while delivering superior detection performance compared to existing technologies. Lelantos aims to enhance safety, cleanliness, and health for current and future generations through its cutting-edge solutions.

WideSense

Grant in 2020
WideSense is dedicated to promoting the adoption of clean and efficient mobility through its innovative solutions for electric vehicle fleet management. The company offers a physics-based, AI-powered software platform that assists planners and operators in designing, deploying, and managing electric vehicle fleets effectively. Its services focus on ensuring operational reliability while maximizing vehicle utilization and minimizing electricity costs. By providing tools for capital planning and continuous performance monitoring, WideSense enables fleet operators to enhance their operational efficiency and profitability. Headquartered in Berkeley, California, the company is rapidly expanding its global reach, serving major metropolitan and commercial fleet operators with expertise in software, machine learning, and fleet management.

Kalion

Grant in 2020
Kalion is an early stage industrial biotech company that will transform the traditional chemical industry by providing low-cost access to glucaric acid and S-3-hydroxybutyrolactone (3-HBL) using traditional, green, fermentation technology. Glucaric acid and 3-HBL were identified as “Top Value Added Chemicals from Biomass” and multi-billion dollar markets for use of the two chemicals are limited by cost and availability (2004 DOE report).

CrossLink Composites

Grant in 2020
CrossLink Composites, founded in 2017 and based in Harriman, Tennessee, specializes in developing proprietary carbon fiber technology tailored for various industrial applications. The company focuses on providing low-cost, high-performance carbon fiber and composites designed for sectors such as cleantech, automotive, wind energy, and civil infrastructure. By emphasizing high-volume industrial applications, CrossLink Composites aims to meet the specific needs of its customers with customized carbon fiber solutions.

Octet Scientific

Grant in 2020
Octet Scientific specializes in the production of advanced organic electrolyte chemicals designed to enhance the efficiency and longevity of zinc-based batteries. The company's innovative OctoLyte products optimize electrolyte chemistry, making them suitable for a range of applications, including backup power, grid storage, portable devices, and mobility solutions. By integrating these products into existing electrolyte systems, Octet Scientific enables its customers to improve battery performance, ultimately leading to more efficient and cost-effective energy storage options.

PhotoCide Protection

Grant in 2020
PhotoCide Protection specializes in the development of self-disinfecting materials, including fabrics, plastics, and coatings, that effectively eliminate a wide range of harmful pathogens on surfaces. The company's innovative technology utilizes engineered cellulose combined with photosensitizers, which react with ambient light and oxygen to produce singlet oxygen, a biocidal agent that is environmentally friendly. By leveraging this disruptive approach, PhotoCide Protection provides users with access to materials that enhance sanitation and contribute to pathogen-free environments.

Li Industries

Grant in 2020
Li Industries is a start-up dedicated to advancing lithium-ion battery recycling technologies. The company focuses on reclaiming materials from end-of-life batteries used in electric vehicles, consumer electronics, and various energy storage systems. By utilizing direct recycling technology, Li Industries specializes in recovering valuable metals such as lithium, cobalt, and nickel, which are essential for battery production. Their innovative electrochemical flow system allows for non-destructive lithiation and optimizes the post-treatment of recovered materials, enhancing the efficiency of the recycling process. Through its efforts, Li Industries aims to minimize environmental waste, lower emissions, and reduce the costs associated with lithium-ion battery manufacturing, thereby promoting a more sustainable supply chain for battery materials.

Antora Energy

Grant in 2020
Antora Energy specializes in providing zero-carbon industrial heat and power solutions for heavy industries, aiming to replace fossil fuels with cleaner alternatives. The company has developed innovative thermal batteries that utilize excess electricity generated from solar and wind sources. These batteries store thermal energy by heating blocks of carbon, which can then be used to produce reliable power and heat. By integrating renewable resources into the electricity grid, Antora enables industries to achieve sustainable and dependable energy solutions while significantly reducing carbon emissions.

AvantGuard

Grant in 2020
AvantGuard creats innovative solutions that manage surfaces and provide long-term protection against viruses, bacteria, and fungi/mold, in a variety of applications.
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