The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but ...

Strange engine configurations that never reached production always makes for interesting reading. Here are our favorites.

The Engwe Engine Pro 2 is an all-purpose e-bike that’s easy to transport. It’s a fine urban transportation alternative or ...

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 ...

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.

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. In the U.S. and Japan, where Mazda has ...

Not only is it an unconventional type of ‘range extender’ hybrid, it also has a rotary engine. In a sector piled high with same-again small SUVs, it’s an intriguing alternative – albeit ...

Patrick Ernzen/RM Sotheby’s The Italian design house didn’t mess with the car’s powertrain, retaining the original two-rotor Wankel engine which produced 113 hp back in the day, funneled ...