The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons ...

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

The Wankel rotary engine was made popular by Mazda, who built rotary style engines from in production cars such as the RX-7, ...

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.

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, ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

The Wankel rotary engine is known for its troubled life in the mainstream automotive industry, its high power-to-weight ratio, and the intoxicating buzz it makes at full tilt. Popular with die-hard ...

The Mazda RX-8 has always had a cult following, but the rotary engine can scare off buyers who want something simpler to live ...

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

There are a lot of strange automotive designs out there, but this defunct engine from the '70s may just be the weirdest one ...