Diesel engines vary in size and application greatly, from small cars to large vessels. The most efficient four-stroke diesel engine comes from Wärtsilä.

Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

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 ...

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 ...

Installing a 125cc 4-stroke engine into a small drift kart while exploring the challenges of this unique build. #GoKart ...

Explore the innovative Porsche engine featuring a six-stroke combustion cycle that combines the best of two-stroke and four-stroke.