Rotary engines have plenty of quirks, but they can still put up some impressive power figures. Here are some of the most ...

Talk of radically different designs always leads to a single name – Wankel. The Wankel rotary engine, most notably used in automobiles by Mazda, has been around since the late 1950’s.

Subscribe to TheStreet's free daily newsletter Toyota brought a pair of four-cylinder engines, Mazda showed off a revamped ...

The engine itself features a novel design that's kind of like an inside-out Wankel rotary engine, and delivers a jaw-dropping power density of up to 1.5 horsepower per pound. At 210 lb ...

Since it looks like Mazda may very well revive the Wankel rotary engine as a range extender for electric cars, there's no better time to become reacquainted with the quirky internal-combustion engine.

Mazda's Wankel rotary engine has always been unique in the automotive landscape as a mass-produced internal combustion engine that eschews such unsightly items as pistons, valves and camshafts.

Small engine manufacturer LiquidPiston is developing a tiny, lightweight, super-efficient engine that functions a lot like Wankel rotary units. Despite that, LiquidPiston says the unit can deliver ...

Mazda does plan to offer its EV crossover with a range extender, but it's powered by a Wankel rotary engine, which has never ...

Lexus had the LS, but what Mazda nearly had could've been so much greater. But the odds were always stacked against the ...

Although there was briefly a company called Rotary Rocket, the term is much better known as a nickname for the Mazda RX-7 — one of the few cars that used a Wankel, or rotary, engine. If you ever ...

The only cars in recent times to utilise a Wankel rotary engine have been Mazdas – the RX-8 being the most recent. But the revolutionary engine has made an appearance in plenty of other vehicles ...