The combination of Mazda CEO's rotary R&D announcement plus the gorgeous rotary concept add up to a new 350 hp-plus sports car in the pipeline.

LiquidPiston’s flagship innovation, the X-Engine, builds on the principles of rotary engines but with a transformative twist.

Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The ...

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 ...

Curiosity aside, the new kid on the Mazda block heralded an era of rotary-engine sports cars that would set the Hiroshima-based automaker aside from the ordinary for years to come. Mazda's unique ...

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Felix Wankel, a German engineer, created the Wankel engine. Compared to the standard engine configuration, the Wankel engine was typically lighter and had a smaller form factor. Because the rotors ...

The Mazda Furai was a futuristic concept with motorsport ambitions, before it met its untimely demise during a Top Gear road ...

It might be even less subtle with an unusual engine in its belly, though — and it seems at least one owner has done just that. The resulting creation is a beastly rotary-powered R5 Turbo ...