Mazda's rotary engines come in various shape and sizes. From the popular 13B, to the lesser-spotted 20B, to the racy 26B.

In this fascinating video, we journey through the intricate process of building a rotary valve engine from scratch. Watch as ...

A German engineer, Felix Wankel, is credited with developing the world's first rotary engine in the 1950s. Wankel rotary engines use a triangular rotor spinning in a semi-oval case on an eccentric ...

After what feels like countless news stories anticipating its return, the rotary engine is officially back as a backup generator for the new Mazda MX-30 e-Skyactiv R-EV. Whereas the regular MX-30 is a ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. Japanese automaker Mazda added a little Wankel engine to its ...

Mazda filed six patents related to rotary engines with the Japanese Patent Office on the same day in June, CarBuzz has discovered. The Wankel rotary engine popularized by Mazda will make its return as ...

Internal combustion engines have still got a few punches left in them. Case in point: Kiwi drifter "Mad Mike" Whiddett has unveiled "the wildest drift car I could think of," built around the world's ...

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 ...