The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

Launched in the late 1960s, the Ro 80 wasn't just the world's first mass-produced sedan with rotary power, but also one of the most innovative production vehicles of its era. Follow us: The rotary ...

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 ...

You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to categorize the Wankel.