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

Find out how emissions regulations killed Mazda's three-rotor 20B Wankel rotary engine, just as it was getting started in the ...

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

Once left behind due to high fuel consumption and fragile reliability, the rotary engine, long championed by Mazda, is making ...

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 ...

View post: This ‘Dependable’ Portable Shed Is ‘Surprisingly Sturdy’ and It's on Sale for Only $123 at Amazon A report from CarNewsChina says Changan, via its Harbin Dongan Auto Engine subsidiary, has ...

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 ...

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. At the Japan Mobility Show two years ago, Mazda unveiled a ...

What if the engine of the future wasn’t just a dream, but a reality? Imagine a power source that combines the raw, exhilarating performance of a two-stroke engine with innovative efficiency, ...