Hydrogen-powered airplanes, touted by some as a way to slash carbon emissions from flying, are unlikely to prove a viable ...

California is racing to cut climate pollution from homes and businesses that still burn fossil gas, and one of its boldest ...

Research shows that burning hydrogen-blended gas into older appliances not designed for it can increase emissions of nitrogen ...

Hydrogen combustion engines lean on existing internal-combustion technology, but they still require some technical tweaks for maximum efficiency. Engine maker Cummins recently unveiled a turbocharger ...