You've probably heard about pollution from cruise ships' engines, but why do they usually run on diesel, and how are they ...

When people think of big engines, they usually think of regular gas engines, like Koenigsegg's 2,300-horsepower monster. However, if you think about it, there are many much bigger vehicles out there, ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

With labels stating "diesel fuel only" and the existence of separate gasoline and diesel pumps, most people know there are distinct differences between gasoline and diesel vehicles that go beyond the ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...