You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

We look at why Mazda introduced the three-rotor 20B Wankel rotary engine, and why it only ever saw service in the Cosmo coupe ...

Once bound by kei car rules, this Mazda Autozam AZ-1 now breaks them all with a widebody and serious firepower ...

Wankel engines first saw use in production cars as early as 1964 — and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two-rotor ...

For better or worse, Mazda and the rotary engine are connected like vintage champagne and Gouda cheese. The rotary has since made a comeback in the Euro-only Mazda MX-30 Skyactiv R-EV, but it has ...

Got a burning question or simply need some advice with problems you’ve encountered while wrenching on your current/future projects? Ask our automotive guru Eric Hsu anything—literally, he’s going to ...

Mazda’s rotary engine is coming back in the spotlight, but this time it’s not just a nostalgic callback to the RX-7 glory days. Instead, it’s quietly shaping the brand’s electrified future. Rather ...

The electric motor might carry the hype banner at the moment, but some minds remain convinced that there's plenty of innovation left to be extracted from internal combustion. AIE is one of the rotary ...