It doesn’t matter if you drive a GM, Ford, or Ram diesel truck—if it was built after 1993, it has a turbocharger under the hood. If you’re currently driving one of the new-generation clean-diesel ...

The purpose of a turbocharger (usually referred to as turbo) is to increase the mass of air entering the engine to produce more power. Turbochargers make this possible by using an engine’s exhaust gas ...

A supercharger—such as a turbo—compresses air. Compressing air heats it. Heating air makes it expand. This is a Catch 22 inherent in supercharging. So rather than thinking of quantities of air in ...