The 20B-powered Peugeot Proto delivers an extreme rotary soundtrack, screaming up to 11,000 RPM with a unique 3-rotor engine ...

The Mazda ND Miata becomes a completely different machine with a twin-turbo 26B 4-rotor engine screaming to 9,000 RPM. This ...

The rotary's reliability problem was mostly an owner problem. Here's the disciplined playbook that keeps FC 13Bs alive.

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...

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 ...