The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...

In the early '90s, Mazda's rotary-powered RX-7 was the quintessential Japanese two-seat sports car. But then the Miata arrived and changed the game.

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

The Wankel, better known as the rotary engine, has always held a unique place in the world of performance cars. Compact, lightweight, and capable of high revs, a rotary offered an alternative to ...

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 ...

The fascinating history of Chevrolet's mid-engine prototype, the Aerovette, and its unique rotary engine powerplant.

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

Chevrolet once came close to putting a rotary-powered Corvette on the road, a radical experiment that has largely slipped from the brand’s official memory. The secret Wankel program captured a moment ...