Before we get into this discussion about the best diesel fuel additives, it's important to understand exactly what diesel additives are. During the refining process, diesel fuel receives a rating ...

Putting vegetable oil in a car engine is a terrible idea and should never be done, or at least that's what some experts say. What do real-life tests show?

The new low-sulfur diesel fuel is now being pumped into your tanks, whether you like it or not. Sure, the '07 vehicles were built to work on the stuff, but what about your non-brand-new truck? We aren ...