Find out how emissions regulations killed Mazda's three-rotor 20B Wankel rotary engine, just as it was getting started in the ...

It’s common in this line of work to stumble upon a story while researching for another story. Digging through archives and ...

The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

Part two of the Quest for Power series breaks down rotary and radial engines, why circular layouts solved cooling and reliability, and why they also came with nasty tradeoffs. From WWI rotaries to ...

Once left behind due to high fuel consumption and fragile reliability, the rotary engine, long championed by Mazda, is making ...

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

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both ...

Long before Felix Wankel became synonymous with rotary engines, an inventive Hungarian-American engineer named Stephen M. Balzer secured one of the earliest patents for a rotary-powered automobile on ...

The rotary engine has always been a fascinating piece of automotive engineering. Unlike traditional piston engines, the rotary engine operates with a triangular rotor that spins inside an oval chamber ...

For better or worse, Mazda and the rotary engine are connected like vintage champagne and Gouda cheese. The rotary has since made a comeback in the Euro-only Mazda MX-30 Skyactiv R-EV, but it has ...

WWI rotary engines, though quickly superseded, were revolutionary for their time, offering superior power-to-weight ratios with unique features like the entire engine spinning around the crankshaft ...