The central truism regarding any fuel additive is that sometimes you need it—and sometimes you don’t. Aside from the untold legions of snake oil substances touted to improve fuel economy, there are ...

Most everyone has one or two friends that are total gearheads. They can fix nearly anything and even better they can take something that runs well and make it run better for longer. I’ve always ...

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 ...