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 ...

Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram matter in the air. Yet as manufacturers push these powerplants into more ...

Let's make something clear from the outset. We aren't talking about diesel engines for marine applications or for 18-wheelers. Or wacko diesel engines for trains. We're talking about diesel engines ...