A hydrogen engine using an argon-based cycle reaches more than 60 percent efficiency while operating emission-free.

Trying to untangle a knot in a mess of strings can be frustrating and time-consuming. But not so for molecular ...

Think the legendary 6.7 Cummins is the undisputed king of heavy-duty torque? Here are four massive diesel engines that ...

MagniX designed the zero-emission, air-cooled motor to lower costs across flights currently served by 120-to-175-kilowatt ...