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

The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

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

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

The rotary is kind of like the Rudy (from the movie “Rudy”) of engines. It’s a little smaller than the others, and might not be quite as good, but you can’t help rooting for it. Mazda says that you ...

View post: This 'Easy to Use' Tire Inflator That ‘Works Perfectly’ on All Sorts of Tires Is Now Only $15 Another day, another Mazda rotary engine story, except this time, it’s from the automaker ...

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 ...

Sure, the rotary engine may be an oil-eating machine filled with Nazi-designed spinning tortilla chips that turn money into nightmares, but god, I love them. My first car was an RX-7, and while, ...