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

Not only are Chinese carmakers redefining the world of EVs, but one of them is now taking on the Wankel rotary engine. Originally designed by German engineer Felix Wankel and later refined into a ...

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 ...

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 ...

A normal Wankel has a triangle rotor spinning in a peanut-shaped housing. Liquid Piston flips that; now the peanut rotor spins inside a triangle housing. That small change makes a big difference. The ...

WASHINGTON – LiquidPiston, supported by Army innovation programs, is poised to transform the U.S. Army’s capabilities as the company delivers compact, heavy-fuel-capable rotary engines and hybrid ...

A bold collaboration aimed to bring research to reality could rewrite the rulebook on sustainable energy. Advanced Innovative Engineering (AIE), the leader in high-performance rotary engines, is ...

The Iconic SP is almost certain to house the new rotary powertrain announced by CEO Moro. It’s official. The rotary is coming back. Earlier this month at the Tokyo Auto Salon, Japan’s biggest car ...

Mazda says the Iconic SP concept was designed to be turned into a production car. The two-door sports car is powered by an extended-range powertrain. A two-rotor Wankel gas engine acts as a generator ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...