Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

A.Here's a pressure-volume diagram for a combustion engine. Although rough, it is an approximation of the so-called air-standard cycle. '' Point (a) is at atmospheric pressure, after which the air is ...

If you're shopping for a new automobile or motorcycle, in addition to some battery-electric-powered models, you'll find examples powered by different types of combustion engines. One primary ...

A new era of maritime engines may be dawning soon, as the world's first 100% hydrogen engine has reached a major milestone in ...

Car and truck makers see hydrogen internal combustion engines as a tool to attack carbon emissions and leverage much of the industry's existing technology, expertise and supply chain. But California's ...