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

When it comes to unique engine designs, one of the most prolific is the trusty rotary configuration. Instead of featuring a number of spherical cylinders moving up and down like in most internal ...

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

In this video, I explore a novel rotary engine design that addresses the sealing challenges of traditional rotary vane engines. My new design features two half-moons within an ellipse that allow for ...

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 ...