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

Ammonia isn't an uncommon chemical. If you work in agriculture or do any kind of gardening, you likely interact with it on a regular basis, as roughly 80% of ammonia produced is used in fertilizer.

How Does Engine Oil Protect Your Engine? How Does It Work? How Do Engine Lubrication Systems Work - Sponsored By Pennzoil Engine oil is used for several purposes: to reduce friction in your engine, ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...