Mechanics are blunt about it: the “little” oil spot under a parked car is often […] ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. With both new-car prices and fuel costs on the rise, today’s motorists are ...

General Motors' Duramax diesel engine lineup has been powering GM trucks and SUVs and enthralling gearheads since its original release in 2001. While the most famous member of the Duramax roster is ...

Problem rates for heavy-duty truck engines manufactured with emissions controls implemented in 2004 and 2007 are nearly twice as high, on average, as rates for engines built prior to these emission ...

Truck buyers are learning the hard way that the wrong engine choice can turn a […] ...