Stationary fuel cells are the largest, most powerful fuel cells. They are designed to provide a clean, reliable source of on-site power to hospitals, banks, airports, military bases, schools ...

Renewable natural gas is an amazing clean fuel. It can deliver diesel-like range and performance on the highway, while emitting vastly reduced tailpipe emissions. So why won't environmental ...

Startups promising to power planes, ships and trucks with clean fuel are sputtering before they get off the ground, showing how hard it will be to wean many industries off oil and gas. A company ...