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 ...

Thomas has spent two years working in the auto journalism industry, contributing to a UK-based newspaper and writing for Euronewsweek. A full-time writer and lifelong engineering enthusiast, he now ...

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 ...

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 ...