US Department of Energy

Cleveland-Cliffs is a Cleveland, Ohio-based company specializing in the mining and processing of iron ore and coal, while also being a prominent producer of flat-rolled steel products in North America. The company operates through various segments, primarily focused on steelmaking, and is vertically integrated, managing the entire supply chain from raw materials to finished steel products. Its operations are organized by product type and geographic location, including U.S. Iron Ore, Eastern Canadian Iron Ore, Asia Pacific Iron Ore, and North American Coal. Cleveland-Cliffs serves a diverse range of markets with a comprehensive portfolio of offerings, operating primarily in the United States, Canada, and select international locations.

Xcel Energy is a leading electric and natural gas utility company serving approximately 6 million customers across eight states. It generates power through diverse sources including coal, nuclear, natural gas, hydro, solar, wind, and biomass. The company is committed to reducing carbon emissions and aims to supply more than half of its electricity from renewable sources by 2030.

Xcel Energy is a leading electric and natural gas utility company serving approximately 6 million customers across eight states. It generates power through diverse sources including coal, nuclear, natural gas, hydro, solar, wind, and biomass. The company is committed to reducing carbon emissions and aims to supply more than half of its electricity from renewable sources by 2030.

Petra Nova functions as a corporation that explores for oil and gas.

ZeaChem is focused on developing sustainable alternatives to petroleum-based fuels and chemicals, utilizing renewable biomass sources such as wood chips, wheat straw, corn stover, and grasses. The company employs a proprietary fermentation process that converts all carbon in the sugars into end products, resulting in high yields and making its products competitive with traditional fossil fuels, even without subsidies. By targeting the $1 trillion chemicals and fuels markets, ZeaChem aims to provide high-margin solutions that address environmental concerns while maintaining economic viability.