Engines power everything from motorcycles and scooters to boats, cars, and generators — and among the most common designs are ...

The new Wärtsilä 25 medium-speed 4-stroke engine, this latest addition to Wärtsilä’s engine portfolio, is designed to accelerate and support the maritime sector’s efforts in achieving ...

The 2-stroke diesel engine may be a thing of the past, but it still have some benefits. The main one is that they're typically lighter than their 4-stroke counterparts.

To break it down into basic terms: a two-stroke engine completes a combustion cycle after just one revolution of the crankshaft, while a four-stroke engine requires two complete revolutions to ...

A four-stroke engine is a magnificent thing. A complex machine capable of turning flammable liquid into useful work, it has dominated the automotive world for the best part of a century.