Hydrogen fuel cells face way more issues than just the skepticism of battery electric vehicle (BEV) advocates. This gas is difficult to store. When it comes from renewable sources, it is expensive.

A commercial airplane can burn a few gallons of fuel per mile. “It’s very hard to bring the huge engines to run on other things when they carry that much weight,” Fred Felleman, Port of Seattle ...

Learn about the chemistry, economics, and scalability of synthetic jet fuel production as the aviation industry prepares for ...

A multi-million-dollar investment by the Queensland government will see used oils and animal fats recycled to make fuel. The ...