Part two of the Quest for Power series breaks down rotary and radial engines, why circular layouts solved cooling and reliability, and why they also came with nasty tradeoffs. From WWI rotaries to ...

The Van Veen OCR1000 was a rotary-powered engineering flex and one of the rarest motorcycles ever made. And now, it can be ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both ...

Discover the 25 best new race and performance parts from the 2025 PRI Show, including engines, turbos, superchargers, ...

View post: Amazon Has an ‘Easy to Use’ OBD2 Scanner on Sale for 50% Off A report from CarNewsChina says Changan, via its Harbin Dongan Auto Engine subsidiary, has completed the first ignition of the ...

Long before Felix Wankel became synonymous with rotary engines, an inventive Hungarian-American engineer named Stephen M. Balzer secured one of the earliest patents for a rotary-powered automobile on ...

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 ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

The Mazda Vision X-Coupe concept was revealed at the Japan Mobility Show 2025. The four-door show car has a plug-in hybrid powertrain that integrates an electric motor and a two-rotor rotary engine.

Back in 2023, Mazda first teased that the rotary engine could be destined for another lease on life with the RX-7-like Iconic SP Concept. Two years later, Mazda is back with another sporty concept ...