Diesel-powered submarines present a challenge that may seem paradoxical at first. Their engines require oxygen to operate, yet these vessels routinely travel beneath the ocean surface. Naval engineers ...

A malfunction involving a backup diesel generator aboard a U.S. ballistic missile submarine sent more than 60 sailors and ...

The decision came before Prime Minister Mark Carney headed to this week’s NATO summit, where allies face pressure to back ...

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 ...

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 ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

The USS Nautilus, the world's first nuclear-powered submarine, participated in scientific and military operations around the ...