Engines such as automobiles and airplanes, vehicles and machines around the world are equipped with engines that generate power. Ever since the first steam engine was invented in the mid 1600's, ...

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 ...

Liquid Piston, an engine development company based in Connecticut, USA, succeeded in reducing the size to one-fifth the size of the current portable generator, and the U.S. Army Won the small and ...

What is a rotary engine? In simple (verging on simplistic) terms, it’s an engine with one or more rotors that rotate – go figure – instead of pistons that reciprocate. The basic principles of internal ...

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 ...

Bruno started at Top Speed in 2022 and now serves as Senior Editor for ICE while also training writers across CarBuzz, HotCars, and TopSpeed. A car and motorcycle enthusiast, he enjoys writing about ...

Rotary engines have an aura of cool. In games of Top Trumps, the V12 might have been king, but a rotary was a joker, a wild card. A lack of mainstream success no doubt contributes; there are reasons ...

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. Mazda’s rotary engine has been officially reborn, but not quite in ...

LiquidPiston's XTS-210 rotary engine is about the size of a basketball but could replace generator engines several times larger. A Connecticut-based company is on contract with the Army and Air Force ...

Since both the automotive and aerospace industries are racing toward greener propulsion systems, we may see a rotary prototype that runs on quite a different fuel. For so long, hydrogen engines ...

The Wankel rotary engine offers one of the most unique sounds of any ICE. Most famously used in various legendary Mazdas like the RX-7 and the supposedly banned Le ...