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 ...

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 ...

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 ...

Americans may not be too fond of diesel engines, but that doesn't mean they're any less vital for the economy than their gasoline-fueled counterparts. For example, in 2022, the U.S. transportation ...

A massive program of upgrades to Australia's aging fleet of Collins Class submarines, aimed at keeping them in the water a ...

Here’s What You Need to Remember: One of the most crucial improvements in submarines of the postwar era is the air-independent propulsion (AIP) system. First fielded in the 1990s, the development ...

South Korea launched the first of three new 3,600-ton submarines this week, marking another step in its efforts to strengthen its undersea fleet and counter threats from north of the border. The ROKS ...

The large undersea drone was christened on May 1—with the traditional champagne bottle broken across the bow by a robotic arm ...