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, ...

These overlooked rotary-powered classics remain attainable today but may not stay affordable for much longer.

Mazda's Wankel rotary powerplant boasts a proud and storied endurance racing career that began and ended in truly spectacular fashion. The rotary first took to a European circuit in anger in 1968, ...