A Wankel engine spins a triangular rotor inside an epitrochoid housing, while the Liquid Piston design inverts the layout ...

The piston engine may be the most common type of internal combustion engine found in consumer automotive vehicles. That doesn't mean it's the only option drivers have ever had access to. In the 1960s, ...

A Wankel RC2-60 Rotary Engine - Sanjay Acharya/Wikimedia Commons Ask most people what a rotary engine is, and they'll describe a Mazda RX-7 with a triangular rotor spinning inside a housing, ...

There have only been a handful of rotary engine-powered cars, and most of them start with "Mazda." While fascinating and not without their benefits, rotary engines are pretty inefficient, don't make a ...

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...

This video provides an in-depth analysis of the liquid piston engine and compares it to traditional piston engines and Wankel rotary engines. It covers the benefits, drawbacks, and potential to ...