Diesel engines can be more efficient than gasoline engines, but that's largely due to DEF. Here's what it does, how it helps, and what happens if you run out.

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 ...

Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...

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 ...

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 your diesel car, truck, or even farm equipment isn’t running right anymore or is sitting parked for a long time or in long temperatures, then diesel fuel additives might be exactly what you need to ...

Which diesel exhaust fluid is best? When you have a diesel vehicle, besides adding fuel, you need to add diesel exhaust fluid. Diesel-powered vehicles require diesel exhaust fluid to reduce engine ...

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 ...

We may receive a commission on purchases made from links. Drivers trying to get the most performance out of their diesel trucks — and there are many things you can do — will sometimes resort to fuel ...

Amsoil's diesel All-in-One fuel additive combines the benefits of Amsoil Diesel Injector Clean, Diesel Cold Flow, and Diesel Cetane Boost in one package. According to the company, the additive ...