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

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

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

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

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 ...

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 was not the first car manufacturer to put a rotary engine in their cars, but they are the ones that made them popular. Everyone knows about the Mazda’s obsession with rotary engines, they even ...

The rotary engine is not quite dead. Despite it last making a sports car experience in the Mazda RX-8 just under a decade ago, the oddball triangular engine has an unbelievably strong cult following ...

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 ...

Long before Felix Wankel became synonymous with rotary engines, an inventive Hungarian-American engineer named Stephen M. Balzer secured one of the earliest patents for a rotary-powered automobile on ...