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

There's a hybrid system borrowed from Toyota, plus a copycat "strong hybrid" setup to come from within Mazda eventually, maybe with rotary engine power.

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 ...

The new Toyota Prius is a PHEV, while Mazda’s MX-30 R-EV is a rotary-engined range extender. Which takes charge here?

For the past few years, Mazda has been teasing us with concept cars seemingly inspired by some of their contemporary models.

It's a multi-fuel, supercharged rotary engine that's only the size of a basketball ... As for the XTS-210 engine that lies at the heart of the new Army generator, it too can be used in multiple ...

The natural motors that power tail-like appendages in bacteria seem to have a single evolutionary origin, allowing parts from ...