Researchers aim to meld the best attributes of both the power-dense two-stroke and the vastly cleaner four-stroke engines.

The European Parliament's biggest political group is mounting a campaign to weaken the EU's main policies for cutting CO2 ...

The largest group in the European Parliament, the conservative EPP, joined calls Wednesday to "reverse" a ban on combustion ...

Quebec has passed a stronger gas-engine ban than the rest of Canada, which won't even allow new plug-in hybrids starting in ...

The Ram Rotor Detonation Engine is still experimental. But it is a quantum leap forward in the development of robust and ...

The Stoke Space rocket engine test lights up a vertical test stand in Moses Lake, Wash. (Stoke Space Photo) Stoke ...

It is also possible to convert machinery such as excavators, combined harvesters, or conveyor vehicles, from conventional internal combustion engines to hydrogen engines. To facilitate the future ...