Mazda and the rotary engine have a relationship that refuses to end. Years after the RX-8 disappeared from showrooms, the automaker is still spending engineering resources figuring out how the unusual ...

A new Mazda patent describes an EGR system built for the rotary engine, tackling the emissions weakness that ended the RX-8's ...

Every time Mazda files a patent with the word "rotary" anywhere near it, the same ritual plays out. Enthusiast outlets dust ...

A patent reveals that Mazda isn't done with its rotary engine technology, but without a public announcement, everything is ...

Mazda refuses to let the rotary engine die, for better or worse. A recently published patent from the Japanese automaker ...

The automaker's newest innovation could correct the excessive emissions that helped scupper the unique drivetrain ...

When considering rotary engines, the Wankel engine often comes to mind due to its high power-to-weight ratio, though it ...

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 ...

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...

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, ...

The Mazda RX-7, especially the third-generation model, is largely responsible for making the rotary engine popular. It's arguably the most iconic Mazda out there, but that's because we forget about ...

The rotary engine, with its egg-like block and triangular rotor, is an oddball even among all the other oddball engine designs—sorry, three-cylinder, twin-turbo, camless Koenigsegg, ya basic. That ...