Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks […] ...

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, ...

A normal Wankel has a triangle rotor spinning in a peanut-shaped housing. Liquid Piston flips that; now the peanut rotor spins inside a triangle housing. That small change makes a big difference. The ...

When most people hear the term "rotary engine," they probably think of Mazda first, as rotary engines have been part and parcel of the Japanese automaker's mantra for decades. In fact, Mazda proclaims ...

The rotary engine is unique in its success and failure and its ability to make an impact with a completely different way of thinking. As it is, every production car for the last 130 years, aside from ...

For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not powered ...

The rotary engine, with its egg-like block and triangular rotor, is an oddball even among all the other oddball engine designs—sorry, three-cylinder, twin-turbo, camless Koenigsegg, ya basic. That ...

Washington — Remember the Wankel? There's a new spin on the rotary engine whose quirky name once made it fodder for a Monty Python sketch. Conceived by German inventor Felix Wankel in the 1920s, the ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...

The rotary engine had its moment of automotive glory with Mazda, but while the Japanese automaker's rotary engines where small-displacement, high-revving, buzz bombs, one American startup tried a very ...