Diesel engines cannot work without oxygen, so how do diesel submarines operate when they're underwater? Their propulsion ...

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

Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to prevent dumping excess emissions into the atmosphere. Not only are those ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...