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 ...

Liquid Piston, an engine development company based in Connecticut, USA, succeeded in reducing the size to one-fifth the size of the current portable generator, and the U.S. Army Won the small and ...

The iconic rotary car engine, thought to have been consigned to the dustbin of impractical technology, is making a comeback in Japan from the very automaker that introduced the system as far back as ...

Dan Clougher is an automotive journalist and former classic and sports car dealer with hands-on experience across luxury, performance, and collector vehicles. Before joining CarBuzz, he managed his ...

Idled for 11 years, Mazda Motor Corp.'s famed rotary engine is set to roar back to life this spring, this time helping to power a plug-in hybrid vehicle. The rotary engine, which Mazda was the first ...

Invented by a German but perfected by the Japanese, the Wankel rotary engine is best-known for powering a slew of brilliant ...