The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

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

Rather than using its rotary engine to power the vehicle directly, the MX-30 R-EV uses the engine to drive a generator. The electricity produced is then used to power an electric motor, in a ...

Mazda was not the first car manufacturer to put a rotary engine in their cars, but they are the ones that made them popular. Everyone knows about the Mazda’s obsession with rotary engines, they even ...

The rotary engine has been a Mazda staple since 1967. It powered one of the most famous and eccentric Japanese sports car line-ups, the RX-series, until 2012 when Mazda discontinued pure ...

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 ...

Wankel rotary engines, typically but not exclusively found in Mazdas, certainly lean on the "quirkier" side of modern powertrain systems, made quirkier because most rotary-powered cars on the road ...

Dan Clougher is an automotive journalist and former classic and sports car dealer with hands-on experience across luxury, performance, and collector vehicles. Before joining CarBuzz, he managed his ...

Japanese Mazda Motor Corporation again proves its dedication to automotive evolution, returning with the rotary engine adapted to the new world of electrification and carbon neutrality. On February 1, ...

Patents lodged by Mazda appear to show the next-gen rotary as a mild hybrid that actually uses its rotary engine to drive the rear wheels. At the renamed Japan Mobility Show last year, Mazda revealed ...

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 ...