The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...

When it comes to unique engine designs, one of the most prolific is the trusty rotary configuration. Instead of featuring a number of spherical cylinders moving up and down like in most internal ...

The Wankel rotary engine was made popular by Mazda, who built rotary style engines from in production cars such as the RX-7, RX-8, and others from 1967 to 2012. The Wankel rotary engine is unique in ...

The rotary engine has been a Mazda staple since 1967. It powered one of the most famous and eccentric Japanese sports car line-ups, the RX-series, until 2012 when Mazda discontinued pure ...

Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The world's only 15.7-liter, tri-turbo Y12 rotary engine. If that doesn't make ...

The fascinating history of Chevrolet's mid-engine prototype, the Aerovette, and its unique rotary engine powerplant.

Gone is the 1.3-liter 13B-MSP Renesis rotary engine that came with this car; In its place is a 3.6-liter LFX V6, the same as you’d find in a numer of GM cars.

In the early '90s, Mazda's rotary-powered RX-7 was the quintessential Japanese two-seat sports car. But then the Miata ...

We live in an age of downsizing in the automotive world. Super and hypercar manufacturers like McLaren and Ferrari are ditching big-capacity, high-cylinder count engines in favor of boosted V6 and V8 ...

Wankel rotary engine powered thousands of aircraft. One of several problems: It spewed castor oil on its pilots.

Like adding microtextures to plastics, the rotary valve idea in the RevForce design could potentially be an industry game-changer. Traditional Two-Stroke Engine Issues A traditional two-stroke engine ...