In this video, we examine the functioning of four-stroke and two-stroke engines, highlighting their differences along with ...

Internal combustion engines typically have low efficiency, with modern gasoline engines around 35% and diesel engines slightly above 40%. This inefficiency stems from the equal length of all four ...

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 ...

Much like discussing religion and politics at a backyard BBQ, bringing up the debate of whether a 2-stroke dirt bike is faster than a 4-stroke is like asking if Ford is better than Chevy. Fortunately, ...

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 ...

The 2027 Beta RR Race four-strokes gain launch control, a quickshifter, and titanium valves. Prices are flat, from $11,990 to $12,590.

Wärtsilä has unveiled the marine sector’s first commercially available 4-stroke engine-based solution for ammonia fuel. The Finnish technology group said the solution represents a significant ...