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

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

Mazda and the rotary engine have a relationship that refuses to end. Years after the RX-8 disappeared from showrooms, the ...

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

Mazda’s rotary engine has spent much of the past decade looking like an engineering curiosity from another era, but a newly ...

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

A fresh US patent filing takes on the exact emissions weakness that has kept Mazda's rotary revival stuck on concept-car ...

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 ...

The rotary engine, previously a staple in Mazda's lineup, is an engine design that foregoes the round piston and singular chamber of a regular reciprocal internal combustion engine. Instead, the ...

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, ...

Over-the-top rotary builds are an enthusiast tradition. Because so few rotary cars have been made, the limits of the engine type haven't been fully exploited by automakers. It's been tuners who have ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...