This inside-out design solves most of the rotary engine’s problems LiquidPiston's designs will show up first in UAVs and generators.

Internal combustion engines are a relatively new development in terms of human history. A lot of people still alive today ...

LiquidPiston's tiny rotary engine is a modern take on the Wankel rotary, and it's around the same size as a basketball.

A new spin on the internal combustion engine by startup LiquidPiston aims for a leap in efficiency from 20 percent to 50 percent.

Connecticut-based company LiquidPiston is developing a portable generator for the US Army that uses its X-Engine, a fresh and extremely powerful take on the rotary engine that'll deliver as much ...

Watch what happens inside a rotary engine Since it looks like Mazda may very well revive the Wankel rotary engine as a range extender for electric cars, there’s no better time to become ...

The rotary engine isn't found very often these days, but the engine has played its own important role in the history of the automobile.

LiquidPiston says its new XTS-210 solves the efficiency, lubrication and fuel type issues of Wankel rotary engines. This supercharged, liquid-cooled two-stroke claims 5X the power of an equivalent ...

While we’ve explained how the Wankel rotary engine works, and we’ve talked about how it might not be totally dead, we haven’t had a chance to see what’s actually going on inside of the ...

Imagine triangles spinning around a shower curtain rod inside a beer keg—that is an elemental description of the screaming Wankel rotary engine. This powerplant is beloved by gearheads the world ...

While most ICE cars are powered by a series of pistons, rotary engines are different. They require apex seals to work, but those have a bad reputation. Why?