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've got a bit of knowledge about gasoline-powered cars, you likely know that internal combustion happens when fuel and air are mixed, a spark is introduced, and the fuel burns inside the engine.

An exhaust note helps give a cars its personality, and what that personality is has a lot to do to the type of engine it has. Toyota has released a helpful explainer on why that is. It starts with the ...

Sergiu is a mechanically minded car enthusiast about to finish his university degree. From attending car meets and expositions to creating automotive content, Sergiu thrives in the presence of cars.

With labels stating "diesel fuel only" and the existence of separate gasoline and diesel pumps, most people know there are distinct differences between gasoline and diesel vehicles that go beyond the ...

Since the 1960s engineers around the world have been fiddling with a novel type of jet called a rotating detonation engine (RDE), but it has never got beyond the experimental stage. That could be ...