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 ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

Submarines are far more than a vessel that disappears underwater. The best boats can ...

South Korea's submarine industry is entering a major transition as the government moves to pursue both diesel and ...