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 ...

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).