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

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 ...

Both 787Bs were powered by 2.6-liter four-rotor engines that were detuned to 700 horsepower. Afterward, the FIA announced that rotary engines would no longer be allowed at Le Mans.

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

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

“The rotary engine was the only option that could be ... emphasized the significance of the new version’s introduction for the automaker. “We have been involved in the creation of the ...

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.

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

The first one ever built is looking for a new home.

StandardAero shows promise in aerospace aftermarket services. Learn more about SARO stock and why I recommend a 'Hold' rating ...

These two-piece bands work with connecting rods and bearings to produce rotary motion and handle varying loads and pressures ...