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

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

What goes around comes around and around and around. Eleven years after discontinuing it, Mazda has brought back its signature rotary engine in an unusual way. It turned it into a range-extending ...

The rotary engine, previously a staple in Mazda's lineup, is an engine design that foregoes the round piston and singular chamber of a regular reciprocal internal combustion engine. Instead, the ...

Most of the internal combustion piston engines built for vehicles throughout history have pretty familiar core designs. The ...

Rotary engines made their biggest impact in Mazda sports cars, but a recent episode of "Jay Leno's Garage" delves into the rotary's earlier history. Before it was popularized by Mazda, the rotary ...

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

Professor Aniebiet Inyang Ntui is a multi-faceted individual whose expertise spans the worlds of library and information science, environmental advocacy, and – perhaps surprisingly – the automotive ...

Every car that's won the 24 Hours of Le Mans has had a conventional piston engine—except one. That's the Mazda 787B, which won the legendary French endurance race in 1991, after 17 years of trying. As ...