If you've ever wondered what a single-rotor rotary engine sounds like, here's one that makes 155 horsepower by Rob Dahm.

Why did Wankel rotary snowmobile engines disappear? A look at Arctic Cat’s rise and fall with this once-promising technology.

Mazda 787B remains one of the most legendary endurance race cars ever created with its screaming 2.6 litre four rotor rotary ...

While slower, the Mazda did pull off a win for fuel economy. Narrowly beating its EPA estimate, the CX-90 achieved 29 mpg ...

Reports of the death of the internal combustion engine have been exaggerated. Electric vehicles were once poised to diminish the ubiquity of traditional engines, but automakers are booking huge losses ...

Today, we explore the Birotary Engine, a unique creation that merges the features of piston and rotary engines. This video explains how the Birotary Engine works, discussing its benefits and drawbacks ...

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...

The rotary was the most radical rethink of the combustion engine in over a hundred years — and it paid the price for being different. Mazda introduced the innovative Wankel rotary engine in the 1967 ...

Does anyone else think the Mazda RX-8 used to be the coolest thing on the road. It didn’t matter that it wasn’t that fast. Nor that its rotary engine burns oil like Snoop burns “za,” and slurps gas ...

Illustration: Kelsea Petersen / The Athletic; Takashi Ayoma / Getty, Antonio Calanni / AP Formula 1’s car design revolution for 2026 is the biggest in a generation. Not only are the chassis designs ...