Collaborative Fund

Parallel Systems designs an autonomous, zero-emissions freight transportation system. The company believes the future of freight transportation should be fast, inexpensive, and clean while also reducing congestion on the highways. Parallel Systems develops automated, battery-electric freight rail vehicles aimed at converting freight transportation from trucking to rail. The company focuses on building innovative rail vehicles and integration tools that work seamlessly with existing railroad operations. By utilizing its technology, Parallel Systems enables railroads to serve new markets, particularly for routes less than 1,000 miles. This solution provides a more flexible, zero-emissions alternative for freight movement, complementing traditional freight rail services while expanding operational capabilities and reducing environmental impact.

WeaveGrid is a company that focuses on facilitating the integration of electric vehicles (EV) with the electrical grid in collaboration with utilities and EV owners. Its software solution employs machine learning, optimization, and predictive analytics to address various challenges associated with EV-grid integration. By doing so, WeaveGrid enhances the ability of utilities to support the expansion of electric vehicles and the adoption of renewable energy resources. This approach not only promotes rapid decarbonization in the transportation and power sectors but also helps utility customers reduce their bills.

Boston Materials, Inc. is a manufacturer of advanced composite materials, specializing in 3D reinforced carbon fiber pre-pregs. Founded in 2016 and based in Bedford, Massachusetts, the company utilizes patented Z-axis Fiber technology, which incorporates vertically aligned carbon fibers to enhance energy transfer properties. Its product line includes Carbon Supercomposite, a magnetically assembled carbon fiber pre-preg, which finds applications across various sectors such as aerospace, automotive, marine, wind energy, and sports equipment. Boston Materials' advanced materials aim to improve thermal, electrical, and mechanical properties, offering a roll-to-roll manufacturing process with in-line quality control and an annual production capacity of one million square meters. These innovations enable industries like semiconductors and electrified vehicles to achieve greater efficiency, reliability, and weight reduction while addressing critical challenges in durability and performance.

Verne is a cleantech startup founded in 2020 and based in Berkeley, California. The company specializes in developing high-density hydrogen storage systems optimized for heavy transport applications. Its innovative technology offers a lightweight and low-cost solution that enables vehicle operators to maintain their existing operations while achieving zero-emission targets. Verne's hydrogen storage systems are designed to be twice as dense as traditional compressed gas, allowing for efficient refueling at both liquid and gaseous hydrogen stations. This capability helps heavy-duty trucks reach diesel parity in terms of range and payload, thereby reducing the costs associated with delivering hydrogen from producers to end consumers.

Aether Energy is an AI-powered end-to-end platform for rooftop solar installers

Airhive offers carbon removal, and developing a quicker, lower-cost, and more energy-efficient direct air capture system. Airhive Developing a hybrid geochemical-DAC technique that uses fluidisation to provide quick, low-cost CO2 removal.

Aira operates as a clean energy-tech company that provides heat pumps and home energy-saving solutions. Aira aims to lower CO2 emissions from residential heating, reduce reliance on foreign gas, and decrease consumer energy bills. Aira speeds up the electrification of residential heating with smart clean energy technology, paving the way for the net zero future that consumers need.

Cala Systems designs, manufactures, and sells the world's first intelligent heat pump water heater.

MacroCycle is developing a technology to curb the usage of fossil fuel derived plastic through a circular, sustainable and zero-carbon plastic upcycling process. The company's proprietary process based on the synthesis of cyclic macromolecules enables us to produce virgin-grade recycled PET from plastic waste at lower energy use than traditional processes.

Byterat is a cloud-based platform specializing in battery data analytics. The company has developed an artificial intelligence-driven data platform designed to maximize the potential of battery testing data. Byterat's platform utilizes machine learning to forecast battery performance based on electrochemical data collected during production or early testing phases. This enables users to obtain real-time performance forecasts for their energy assets, enhancing the efficiency and reliability of battery management and development.

Aira operates as a clean energy-tech company that provides heat pumps and home energy-saving solutions. Aira aims to lower CO2 emissions from residential heating, reduce reliance on foreign gas, and decrease consumer energy bills. Aira speeds up the electrification of residential heating with smart clean energy technology, paving the way for the net zero future that consumers need.

Osmoses engages in decarbonizing gas separations to eliminate one gigaton of carbon emissions per year.

Vaulted Deep specializes in permanent carbon removal through innovative technology solutions that enhance both environmental and community health. As a spin-off of Advantek Waste Management Services, the company focuses on biomass carbon removal and the geologic sequestration of organic wastes. Utilizing patented geologic slurry injection technology, Vaulted Deep aims to provide clients with cost-effective, large-scale carbon dioxide removal options, addressing the urgent need for sustainable waste management and climate action.

Ruuf is a solar marketplace that connects homeowners with solar installers and lenders.

pH7 is a cleantech firm that develops and implements methods for the sustainable extraction and refining of strategic metals, which are required for the transition to renewable energy. This pilot project will offer the industry a solution for the sustainable extraction of Platinum Group Metals from secondary and primary resources using green, biodegradable, and recyclable solvents rather than smelting methodologies.

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.

GlacierGrid is a venture-backed company that specializes in optimizing energy use strategies for businesses, focusing on energy savings, operational efficiency, and sustainability. The company employs Internet of Things (IoT) technology to facilitate real-time monitoring and analytics, enabling clients to refine their energy consumption practices. By utilizing wireless temperature and humidity sensors, GlacierGrid collects accurate data to minimize risks associated with data loss and inaccuracies, thereby reducing inventory waste. This approach allows business owners and managers to gain timely insights into equipment performance and energy usage, ultimately aiding in informed decision-making and enhancing operational effectiveness while lowering their carbon footprint.

Wasted* is a company based in Williston, Vermont, that focuses on transforming human waste into sustainable fertilizers. Founded in 2020, it aims to establish a circular sanitation economy that connects individuals to their local environment while unlocking the value of human waste. The company has developed a technology that effectively separates urine from feces, preserving the nutrients found in both while eliminating the need for chemical additives. This innovative approach enables clients to convert waste into a valuable resource, promoting environmentally friendly waste treatment and disposal practices.

Dandelion Energy, Inc., founded in 2017 and based in Palo Alto, California, specializes in providing affordable geothermal heating and cooling installations. The company has developed a home geothermal system that replaces traditional air conditioning and heating equipment with an efficient heat pump and safe underground pipes. This system harnesses thermal energy from the earth to regulate indoor temperatures and produce hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal solution. Dandelion Energy aims to make renewable energy accessible and cost-effective for residential customers.

AirMyne is a next-generation Direct Air Capture company building a technology that removes CO2 from the air. AirMyne's patented process uses a liquid capture agent and a low-temperature thermal regeneration process. The technology can integrate with various low-carbon energy sources and uses inputs that are low-cost and easy to source. Founded by deep tech industry veterans via Y Combinator in 2022, AirMyne is now scaling high-quality carbon removal.

Verse provides software for organizations to understand, plan, and manage clean energy. Its SaaS platform, Aria™, leverages generative AI to help companies define clean energy goals and plan, procure, and manage optimal portfolios of clean energy assets at least cost. Customers can set parameters that target specific goals (e.g., cost, emissions, or hourly matching) and optimize for annual matching, emissions matching, or hourly matched carbon-free energy (CFE). By reducing transaction costs by up to 70% and providing real-time analysis within minutes, Aria helps scale and accelerate the clean energy transition.

Zitara Technologies, founded in 2019 and based in San Francisco, California, specializes in predictive battery management software tailored for electric fleets. The company develops both cloud-based and embedded solutions that cater to enterprises with extensive battery deployments. Zitara's platform is distinguished by its capacity to deliver battery analytics, including simulation, planning, and real-time operational insights. This technology supports companies in enhancing safety and extending the longevity of their battery systems, making it a valuable asset for operations involving grid-scale and residential energy storage.

Brimstone is a company that has developed a carbon-negative process for producing ordinary Portland cement and supplementary cementitious material. Founded in 2019 and based in Oakland, California, Brimstone's innovative technology employs carbon-free calcium silicate rock instead of traditional limestone, resulting in a product that matches the performance of conventional materials while remaining cost-competitive at scale. This advancement aims to provide the construction industry with a cleaner and more sustainable alternative to traditional cement production methods.

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.

Quaise is an energy company based in Cambridge, Massachusetts, focused on developing innovative millimeter-wave drilling systems to access deep geothermal heat. Founded in 2018, the company aims to overcome geographic limitations that currently restrict the utilization of geothermal energy. By repurposing existing fossil-fuel industrial assets, Quaise's technology enables the drilling of geothermal wells directly at operational power plants, facilitating a smoother transition to cleaner energy sources. This approach allows mining companies to collectively generate terawatts of clean power, rivaling the output of fossil fuels while achieving zero carbon emissions.

Olympian Motors is an electric vehicle startup based in New York, focused on revolutionizing the automotive industry with its innovative modular manufacturing system. This approach significantly reduces tooling and labor costs by over 80% and accelerates production lead time by approximately 60%, decreasing the design-to-production cycle from more than four years to just six months. Currently manufacturing electric vehicles in Brooklyn and Detroit, Olympian has an annual production capacity of 320 vehicles and plans to expand this to 20,000 by 2025. The company's vehicles emphasize aesthetics and minimalism, utilizing materials such as steel, wood, and post-industrial recycled components, while avoiding plastic and toxic chemicals. Olympian's Operating System (OOS) enhances user experience with a minimalistic and intuitive cockpit design. The company's electric vehicles are pending traffic approval from regulatory authorities, positioning them as a forward-thinking choice for environmentally conscious consumers.

Moment Energy focuses on developing sustainable battery energy storage systems that repurpose retired electric vehicle batteries. The company aims to enhance energy reliability for off-grid areas and address peak demand in on-grid locations. By utilizing these repurposed batteries, Moment Energy provides clean, reliable, and cost-effective energy storage solutions, making renewable energy more accessible for both off-grid and industrial customers.

Therma Holdings is a specialized mechanical contractor that provides comprehensive design and build services for complex systems in mission-critical environments. The company excels in HVAC systems, high purity process piping, and process controls, catering primarily to cleanrooms, laboratories, and high-tech manufacturing facilities. With a robust suite of in-house capabilities, including engineering, design, fabrication, controls, pre-fabrication, and installation, Therma is well-equipped to meet the intricate demands of its clients. By focusing on delivering tailored solutions, Therma ensures the efficient operation of critical facilities across various industries.

GlacierGrid is a venture-backed company that specializes in optimizing energy use strategies for businesses, focusing on energy savings, operational efficiency, and sustainability. The company employs Internet of Things (IoT) technology to facilitate real-time monitoring and analytics, enabling clients to refine their energy consumption practices. By utilizing wireless temperature and humidity sensors, GlacierGrid collects accurate data to minimize risks associated with data loss and inaccuracies, thereby reducing inventory waste. This approach allows business owners and managers to gain timely insights into equipment performance and energy usage, ultimately aiding in informed decision-making and enhancing operational effectiveness while lowering their carbon footprint.

ZELP Ltd. is a London-based company founded in 2017 that specializes in manufacturing a wearable device aimed at reducing methane emissions from livestock. The device works by oxidizing methane into carbon dioxide and includes features such as geolocation, heat detection, early disease detection, and emission frequency monitoring. By providing farmers with tools to measure the volume of oxidized methane, ZELP seeks to significantly mitigate the environmental impact of livestock farming, contributing to more sustainable agricultural practices.

Dandelion Energy, Inc., founded in 2017 and based in Palo Alto, California, specializes in providing affordable geothermal heating and cooling installations. The company has developed a home geothermal system that replaces traditional air conditioning and heating equipment with an efficient heat pump and safe underground pipes. This system harnesses thermal energy from the earth to regulate indoor temperatures and produce hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal solution. Dandelion Energy aims to make renewable energy accessible and cost-effective for residential customers.

Quaise is an energy company based in Cambridge, Massachusetts, focused on developing innovative millimeter-wave drilling systems to access deep geothermal heat. Founded in 2018, the company aims to overcome geographic limitations that currently restrict the utilization of geothermal energy. By repurposing existing fossil-fuel industrial assets, Quaise's technology enables the drilling of geothermal wells directly at operational power plants, facilitating a smoother transition to cleaner energy sources. This approach allows mining companies to collectively generate terawatts of clean power, rivaling the output of fossil fuels while achieving zero carbon emissions.

Dandelion Energy, Inc., founded in 2017 and based in Palo Alto, California, specializes in providing affordable geothermal heating and cooling installations. The company has developed a home geothermal system that replaces traditional air conditioning and heating equipment with an efficient heat pump and safe underground pipes. This system harnesses thermal energy from the earth to regulate indoor temperatures and produce hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal solution. Dandelion Energy aims to make renewable energy accessible and cost-effective for residential customers.

Dandelion Energy, Inc., founded in 2017 and based in Palo Alto, California, specializes in providing affordable geothermal heating and cooling installations. The company has developed a home geothermal system that replaces traditional air conditioning and heating equipment with an efficient heat pump and safe underground pipes. This system harnesses thermal energy from the earth to regulate indoor temperatures and produce hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal solution. Dandelion Energy aims to make renewable energy accessible and cost-effective for residential customers.

Dandelion Energy, Inc., founded in 2017 and based in Palo Alto, California, specializes in providing affordable geothermal heating and cooling installations. The company has developed a home geothermal system that replaces traditional air conditioning and heating equipment with an efficient heat pump and safe underground pipes. This system harnesses thermal energy from the earth to regulate indoor temperatures and produce hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal solution. Dandelion Energy aims to make renewable energy accessible and cost-effective for residential customers.

Dandelion Energy, Inc., founded in 2017 and based in Palo Alto, California, specializes in providing affordable geothermal heating and cooling installations. The company has developed a home geothermal system that replaces traditional air conditioning and heating equipment with an efficient heat pump and safe underground pipes. This system harnesses thermal energy from the earth to regulate indoor temperatures and produce hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal solution. Dandelion Energy aims to make renewable energy accessible and cost-effective for residential customers.

Socar is a Korean eco-friendly car sharing community that allows travelers to share cars with others who are traveling the same route. Socar has raised an $18 million round of funding in 2015 which was one of the highest funding deals for a South Korean startup to date. Most notably, it was led by a US investor: Bain Capital, a private investment firm with $80 billion in assets under management. Socar was founded in March 2012, and it has a website and smartphone apps that let users book cars for their own use. Service has over 1,700,000 registered users, 50,000 of whom use the service each month. Around 80,000 transactions per month — that’s more than one car booking each 30 seconds.