The test at the Mojave Air and Space Port in California was the largest trial of a liquid hydrogen-powered aircraft powertrain in the world thus far. To decarbonize aviation, companies have been ...

Cummins has developed a new hydrogen combustion engine for commercial vehicles in partnership with key technology partners. The 6.7-litre powertrain delivers a more than 99% reduction in tailpipe ...

As far as the engines are concerned, the company settled on the PW2040 made by Pratt & Whitney. It's the same powerplant that powers the Boeing 757 aircraft (including the military C-32A version ...

It explains steam engines, which are reciprocating external combustion engines, and compares them to internal combustion engines, such as gasoline and diesel engines. The four-stroke cycle of an ...

Pratt & Whitney is planning further development of rotating detonation engine (RDE) technology following “positive test results” from a series of ground tests. The work, which was completed ...