The 1972 Mazda RX-2 arrived as an unassuming compact sedan and coupe, yet its rotary engine delivered performance that surprised buyers accustomed to small-displacement fours. Light weight, ...

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 ...

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 ...

Mazda has a history of shrugging off convention, and this sports coupe was not only unique, but it was the last to feature a ...

If you’ve ever wondered what a single-rotor rotary engine sounds like, here’s one that makes 155 horsepower by Rob Dahm. Rob Dahm is one of those guys who make crazy builds. Just a while back, he ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

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, ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...