What makes a diesel engine different to a regular gas engine, and is one better than the other?

Diesel engines cannot work without oxygen, so how do diesel submarines operate when they're underwater? Their propulsion ...

Researchers in Nigeria say water in diesel emulsions could significantly reduce nitrogen oxides and particulate emissions ...

A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

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 ...