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 ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

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 ...

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 ...

In today’s cost-conscious times, supplementary engine and fuel additives promise means of cutting motoring costs. We study whether or not they really deliver Words: Rob Marshall Ever since the ...