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

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.

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 ...

We look at why Mazda introduced the three-rotor 20B Wankel rotary engine, and why it only ever saw service in the Cosmo coupe ...

Rotary engines have almost completely gone out of production, but they’re still beloved by enthusiasts. Eschewing pistons for a spinning three-sided rotor, they rev to the moon and sound great doing ...

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, ...

Internal combustion engines have still got a few punches left in them. Case in point: Kiwi drifter "Mad Mike" Whiddett has unveiled "the wildest drift car I could think of," built around the world's ...

Not only are Chinese carmakers redefining the world of EVs, but one of them is now taking on the Wankel rotary engine. Originally designed by German engineer Felix Wankel and later refined into a ...