The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

A German engineer, Felix Wankel, is credited with developing the world's first rotary engine in the 1950s. Wankel rotary engines use a triangular rotor spinning in a semi-oval case on an eccentric ...

Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...

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, ...

Chinese firm Dongan Auto revives the Wankel engine, developing a lightweight prototype aimed at next-gen aerial mobility ...

Once again Mazda lives up to its reputation as a brand for unconventional solutions. Proof is the new electric MX-30 R-EV equipped with a range extender powered by a Wankel engine. This rotary piston ...

Ferrari is synonymous with speed and luxury, and the 812 Superfast is a shining example of that legacy. Its 6.5L naturally ...

Developing a gasoline-powered rotary engine was a dream for Felix Wankel, and we mean that literally. Some steam engines worked on the same basic principle as far back as the 18th century, but the ...

Wankel rotary engines, typically but not exclusively found in Mazdas, certainly lean on the "quirkier" side of modern powertrain systems, made quirkier because most rotary-powered cars on the road ...

Mazda says the Iconic SP concept was designed to be turned into a production car. The two-door sports car is powered by an extended-range powertrain. A two-rotor Wankel gas engine acts as a generator ...