Discover the wild story of Mazda's REPU, the fascinating and flawed rotary-powered pickup truck experiment from the 1970s.

You didn’t need to look too hard at the Iconic SP to see a viable car beneath its concept’s sleek lines. “I have to be very ...

Rotary engines also have reduced thermodynamic efficiency thanks to the large rotor housing with combustion happening only in certain sections, which leads to different temperatures of the housing ...

"I got an unbelievable reaction," he says. That was a great encouragement, and I decided to reopen the rotary engine development group." Moro admits there are challenges to making a rotary ...

or rotary, engine. If you ever wondered how these worked, why not print a model? That’s what [Engineering Explained] did. They printed a 1/3 scale model and made a video explaining and ...

The iconic rotary car engine, thought to have been consigned to the dustbin of impractical technology, is making a comeback in Japan from the very automaker that introduced the system as far back ...