Rotary engines tend to conjure images of a few famous sports cars, yet a surprising number of coupes, sedans, concepts, and even workhorses quietly packed spinning triangles under their hoods. By ...

Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The world's only 15.7-liter, tri-turbo Y12 rotary engine. If that doesn't make ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...

After years of rumors and experimentation behind closed doors, the Mazda rotary engine is officially back. The Vision X-Coupe, a plug-in hybrid concept showcased at the 2025 Japan Mobility Show, has ...

Almost every internal combustion vehicle on the planet today uses the classic piston engine. These run by converting heat energy into reciprocating motion, and then rotary motion that ultimately ...

The Mazda rotary engine was the rebel of the automotive world. Compact, rev-happy, and unlike anything else on the road, it set the brand apart for decades. From Le Mans glory to affordable sports ...