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 ...

Porsche has patented a revolutionary new engine with a six-stroke combustion cycle. Essentially, the engine is combining both a two-stroke and four-stroke engine into one, taking the individual ...

Porsche was issued a patent for its six-stroke combustion engine on October 22, 2024. The company describes the new engine as having a "working cycle" of three complete crankshaft revolutions with two ...

It's been a long time since the automotive world has bothered with the mixing of oil and gas of the two-stroke combustion cycle — but soon, it may come time to rid ourselves of four-stroke engines, if ...

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 ...

The heart of this build is a Suzuki DT225 engine. This 2-stroke 2,700cc V6 is well-known as a reliable, powerful fuel-injected outboard motor for fishing boats. It’s rated at 225 horsepower (168 kW), ...