Since 1989, RAM (earlier Dodge RAM) has been using engines made by Cummins on their popular pickup trucks. The journey, which started with the first generation 5.9-liter 160 hp turbo diesel, has ...

The story behind BMW's unique quad-turbo diesel engine, its impressive performance, and how it stacked up against its rivals in the X5 M50d.

About a decade after Rudolf Diesel came out with the namesake engine, someone had the great idea to stick a turbocharger onto the diesel engine, creating the turbo diesel. As it turned out, the ...