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 ...

A lot of diesel vehicle drivers might take certain things about their fuel for granted. We might gripe when its price increases and reminisce about just how cheap it used to be a relatively short time ...

Unless you are in certain industries or have a vehicle that runs on diesel, you may never have pumped diesel fuel. Diesel and gasoline both come from crude oil, but the process used to refine them is ...