The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

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

Most car enthusiasts associate the term “rotary engine” with Felix Wankel’s invention, developed in the 1950s and most commonly associated with Mazda. However, more than half a century before the ...

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

Mazda unveiled a concept sports car a couple of years ago at the Japan Mobility Show. While it hasn’t come to life, the ...

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

When most people hear the term "rotary engine," they probably think of Mazda first, as rotary engines have been part and parcel of the Japanese automaker's mantra for decades. In fact, Mazda proclaims ...

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...

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.

LiquidPiston is testing a 10-kW generator it's prototyped for the US military, which it claims is just a quarter of the size and weight of the current model the Army uses. That means it'll be far ...