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

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

The X-Engine technology used in the XTS-210 is a direct drive rotary approach that can be viewed as an "inverted" Wankel engine. It has a trochoidal rotor with a three-lobed housing, but it utilizes a ...

At the moment, the name LiquidPiston may not mean all that much in this world, but chances are that will change very soon. That's because the Connecticut-based company has set out to effectively ...

The rotary is kind of like the Rudy (from the movie “Rudy”) of engines. It’s a little smaller than the others, and might not be quite as good, but you can’t help rooting for it. Mazda says that you ...

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 ...

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 ...

The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but there was another: the Wankel rotary engine. German engineer Felix Wankel ...

Almost every internal combustion vehicle on the planet today uses the classic piston engine. These run by converting heat energy into reciprocating motion, and then rotary motion that ultimately ...