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 ...

Most fleets would confess to using diesel fuel additives from time to time, most likely in the winter to prevent gelling. But there are fleets, lots of them it seems, that regularly treat their fuel ...

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 ...