Could there possibly be a rotary engine with 12 rotors? The answer is yes, and here's everything we know about it including ...

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 ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

Even restricting this topic to "production engines," this one's still going to be a tough nut to crack. Some obscure government-backed automaker in a country with a triple-digit population might have ...

DAYTON, Ohio—The Air Force is working on one engine design to power the service’s highly secret new fighter jet—no matter which company builds the plane. The future engine, called Next Generation ...