Finnish engine manufacturer Wärtsilä must be a fascinating place to visit. The company manufactures some of the most mind-bendingly enormous marine diesel engines in the world, like the ...

Wärtsilä has announced the results of extensive testing of its 4-stroke ammonia engine, which demonstrated a reduction in greenhouse gas (GHG) emissions by up to 90% compared to traditional diesel ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Watch this miniature 4-stroke OHV gasoline engine from Stirlingkit transformed into a fully working generator. A fascinating ...

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 ...

Petrol heads all those looking to learn more about the workings of engines may be interested in a new 4 Stroke, water-cooled, working model engine kit called the X-Power which has launched via ...

Designed for hand-held equipment, the GX25 mini 4-stroke engine weighs only 6 pounds and features a .29-kW/kg power-to-rate ratio. It replaces the GX22. Mechanical decompression provides easy start-up ...

Porsche patented a 6-stroke engine Outside of early Saabs, most gas-powered car engines are a 4-stroke Porsche's 6-stroke patent seems to indicate it could eke more power out of an engine Unless you ...

A detailed test of a compact 4-stroke OHV gasoline engine converted into a functional generator for experimental projects.