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 ...

Cummins Big Cam diesel engines were all about quick and efficient power delivery, and over successive generations it got ...

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Few technologies in automotive history have proven as enduring as the diesel engine. What began as a laboratory experiment has evolved into the backbone of the working truck world — and today, ...