AMSOIL has introduced a new Premium API CJ-4 Synthetic 15W-40 diesel oil. The new oil is an upgrade to the company's most popular 15W-40 viscosity, now re-formulated for the 2007 CJ-4 specifications ...

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 ...

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 ...

If you thought diesel fuel additives were merely store-bought products at your favorite auto store, you'd better think again. Fuel suppliers, refineries, and manufacturers are the biggest market for ...

If you are not already using a fuel additive regularly, it is time to seriously think about it. Diesel fuel has gone through new formulations with the implementation of ultra-low-sulfur diesel (ULSD).

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 ...