The age of diesel-powered submarines began in 1912, and these subs dominated the waters for more than 40 years, through both World War I and World War II. In the U.S., this era ended when the last ...

Both diesel and gasoline engines burn fuel to produce power, but they do it in different ways. While a gas engine uses spark plugs to ignite the air/fuel mix, diesels have no spark plugs and rely on ...

Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why that is and what it means.