The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Not only are Chinese carmakers redefining the world of EVs, but one of them is now taking on the Wankel rotary engine. Originally designed by German engineer Felix Wankel and later refined into a ...