How the 5.9L Cummins turbo diesel revolutionized pickup trucks in 1989, delivering 400 lb-ft of torque when Ford and GM ...

To meet United States Environmental Protection Agency (EPA) engine emissions regulations for on-highway applications, ultra low sulfur diesel (ULSD) fuel must be used in all on-highway diesel engines ...

When Rudolf Diesel (yes, really) first conceived of a design for a sparkplugless engine that used heat and compression to ignite fuel in each cylinder, he was chasing a theoretical design premise ...

If you are a diesel lover, always seek the extra torquey performance, here are the five diesel cars and SUVS you can buy in ...