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 ...

Like it or not, the combustion engines that have driven our world forward and sideways for more than a century now are about to leave the scene. Not because they're no longer effective, but because ...

Over the past few years, truck and engine makers have generated a lot of buzz around developing zero-emission drivetrains to help meet climate and sustainability goals. Traditional OEMs and tech start ...

Bosch plans to launch a hydrogen combustion engine in 2024, building on its work in this sphere since 2016. Hydrogen combustion engines are viewed as a way to achieve zero emissions with conventional ...

Researchers have described combustion-control approaches that could help engines operate more stably on hydrogen blends as high as 30 percent, without requiring a complete redesign of the overall ...