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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives ...