General Motors (GM) is revisiting a technology long thought to be obsolete in the world of cars: the two-stroke engine.

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

Renault has unveiled a turbocharged and supercharged two-cylinder, two-stroke diesel engine. This prototype version of the motor was showcased at Renault’s Innovations@Renault event in Paris. This ...

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...

Automotive giant General Motors has filed patents for a two-stroke engine of the type whose excess emissions took it off the road decades ago as a technology seen as having no future.The patent is for ...

General Motors may not be building a bike engine, but this two-stroke concept has real potential for motorcycle engineering.

What if the engine of the future wasn’t just a dream, but a reality? Imagine a power source that combines the raw, exhilarating performance of a two-stroke engine with innovative efficiency, ...