There are many different forms of internal combustion engines, but most use the same basic principle. Explosions in the combustion chamber move pistons up and down to spin a crankshaft. That ...

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 ...

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 Mazda Iconic SP concept of the 2023 Japan Mobility Show was the sign of a new Mazda sports car that we’ve been awaiting for a decade—no, two. The Wankel rotary-powered, popup headlight-equipped ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

When people defend that internal combustion engines (ICEs) still have a role to play in personal transportation, they are correct. Having an electric motor driving the wheels does not necessarily ...

Mazda began 1920 as Toyo Kogyo Co., Ltd, a manufacturer of corks. Toyo didn't make its first vehicle until 11 years later, a three-wheeled motorbike called the Mazda-go. Founder Jujiro Matsuda named ...

Japanese automaker Mazda discontinued its trademark pistonless rotary engine in 2012. That's also when the RX-8 quad coupe was canned with no successor in sight. Everyone and their dog hoped that the ...