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 ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

Different sports cars, different powertrains, same enthusiastic spirit—and we can't wait. At Mazda, the desire for a Mazda RX-7 successor is there. The Iconic SP concept is the blueprint, too, and a ...

While most people might know rotary engines for their use in cars, a pair of companies made use of them in chainsaws — and ...

The Mazda RX-8 has always had a cult following, but the rotary engine can scare off buyers who want something simpler to live with. That’s exactly why swaps like this exist. A V6-swapped RX-8 ...