Six-stroke engines are having a moment. Porsche made waves last year for patenting a six-stroke powerplant that promised more efficiency and power by using a funky planetary gearset attached to the ...

Hydrogen vehicles were supposed to be a clean, practical way of powering the cars of the future. Theoretically, the idea seems great: Hydrogen fuel cell electric vehicles, or FCEVs, generate ...

Purdue researchers demonstrate their method for producing hydrogen by adding water to an alloy of aluminum and gallium. The hydrogen could then be used to run an internal combustion engine. The ...

Bosch modified the Rotax 916 piston aeroengine to run on zero-emissions hydrogen. Credit: Bosch Aviation Technology Austria-based Bosch Aviation Technology has converted a Rotax piston aeroengine, a ...

Picture this: a heavy-duty truck gliding along India’s highways, leaving behind nothing but a whisper of water vapor. Feels ...