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 ...

Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks oddly empty. That is the charm of the rotary engine: a compact lump of metal that trades pistons and valves for a spinning ...

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 ...

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 ...