A look at Chevrolet’s 1970s rotary sports car experiment, its mid-engine layout, and why the bold concept never reached ...

Almost every internal combustion vehicle on the planet today uses the classic piston engine. These run by converting heat energy into reciprocating motion, and then rotary motion that ultimately ...

After years of rumors and experimentation behind closed doors, the Mazda rotary engine is officially back. The Vision X-Coupe, a plug-in hybrid concept showcased at the 2025 Japan Mobility Show, has ...

The Mazda Cosmo Sport 110S proved the twin-rotor engine could survive years before the RX-7 made rotary performance famous.

Mazda made a splash in the market in 1990, launching the Eunos Cosmo with the three-rotor 20B engine. Compared with contemporary Wankel rotary engines, the 20B's extra rotor beefed the compact ...

A Wankel engine is a type of rotary engine, but not all rotary engines are Wankel engines. Wrapping your mind around this idea will help you to better understand the similarities as well as the ...

Everything about this build is pure comedy, and you’ll soon see why. Things start funny, with the builder employing a three-door, second-generation Toyota RAV4 as its blank canvas. Not only does that ...