Miniature four-stroke engines demonstrate mechanical principles found in larger combustion engines. Explore the assembly ...

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 ...

In dirt bike racing, two-stroke and four-stroke engines have their own unique advantages. What's the difference, and which ...

Everllence has confirmed the successful running on ethanol – at all load points – of its 21/31 dual-fuel engine at test facilities in Frederikshavn, Denmark. Everllence pioneered the platform of ...

Higher power usually means worse fuel economy, except when it comes to compression ratio. Here is how engines extract more ...