The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight packages. Unfortunately, gas two-strokes also burn oil by design, making them ...

We may receive a commission on purchases made from links. When thinking about diesel engines, it's easy to associate them with heavy-duty applications. Diesel engines are more durable than gasoline ...

Whether we're talking about vehicles with two or four wheels, a primary goal of engineers is to wring out as much power from each unit of displacement for every engine they make. This keeps weight ...

Gearheads and faithful Jalopnik readers already know the basics of an engine's bore and stroke, but for those that might be new here, let's dip our toes in the shallow end. An engine's bore refers to ...

Ready for some math? Porsche just patented an engine design titled: "Method for a Combustion Machine With Two Times Three Strokes." Huh? As the opening paragraph of the patent (filed jointly with ...

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 ...