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 ...

Both gasoline-burning engines and diesel engines produce power through a process of internal combustion. However, the latter are usually larger, louder, and often dirtier. While many people may not ...

Cruise ships are objectively ridiculous machines. They're the size of mountains, weigh as much as skyscrapers, and burn enough fuel in a single voyage to make entire country coastlines seem clean.