A wind tunnel at Moffett Field normally used to test airplanes and other things that fly is being used to test the aerodynamics of a big diesel truck — to save up to 3.4 billion gallons of fuel ...

If you like big trucks, or you tow a heavy load ... bulging hood is a 6.6-liter Duramax turbo diesel engine that is putting out 470-horses, but most importantly 970-pound feet of torque.

General Motors is recalling nearly 462,000 pickup trucks and big SUVs with diesel engines because the rear wheels can lock up, increasing the risk of a crash. The recall in the U.S. covers certain ...

To continue this momentum, the mining giant on Tuesday announced a full transition from conventional to renewable diesel for ...

It is a beautiful truck. FYI, the big mirrors will power-fold in to allow you to visit your favorite drive-through car wash. Under the big, bulging hood is a 6.6-liter Duramax turbo diesel ...