Forbes contributors publish independent expert analyses and insights. I am a professor at Cal State LA and the technical director for the Hydrogen Research and Fueling Facility. The Sierra Railroad ...

Sierra Energy's FastOx technology, developed by Sierra Energy and supported by grant funding from the Department of Defense and the California Energy Commission, uses oxygen and steam to heat waste to ...

Sierra Energy has raised $33 million in a series A investment round led by Breakthrough Energy Ventures. The Davis, California–based start-up says it will use the money to further its FastOx ...

Sierra Energy is a renewable energy company that is developing a waste-to-energy technology called FastOx gasification. The technology converts waste into clean energy and fuels, including hydrogen, ...