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

After years of rumors and experimentation behind closed doors, the Mazda rotary engine is officially back. The Vision X-Coupe, a plug-in hybrid concept showcased at the 2025 Japan Mobility Show, has ...

Chinese firm Dongan Auto revives the Wankel engine, developing a lightweight prototype aimed at next-gen aerial mobility ...

Find out how emissions regulations killed Mazda's three-rotor 20B Wankel rotary engine, just as it was getting started in the ...

The Van Veen OCR1000 was a rotary-powered engineering flex and one of the rarest motorcycles ever made. And now, it can be ...

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...

The Iconic SP is almost certain to house the new rotary powertrain announced by CEO Moro. It’s official. The rotary is coming back. Earlier this month at the Tokyo Auto Salon, Japan’s biggest car ...

Alina has been enthusiastic about vehicles her entire life, and even from an early age found herself itching to get behind the wheel. Through high school and college, she could be found reading ...