In addition to cetane gains and lubrication, a good diesel additive also helps improve fuel economy and reduce emissions output. There are two types of additives that directly add… See more

In extreme-cold conditions, diesel fuel tends to transform into a waxy, almost gluelike gel, which can restrict fuel flow and potentially cause severe damage. Anti-gel helps keep … See more

Like any automotive fluid, unused diesel fuel breaks down after a while, especially if it's sitting in a truck's fuel tank, experiencing varying hot and cold temperature cycles. A good stabili… See more

Using a diesel fuel additive is as simple as pouring it into your tank (1 ounce of additive per every 10 gallons of diesel), and prices range from $8 to $25 for a 1-quart bottle. Of course, lar… See more

Diesel Extreme is the best additive in the game. This one adds seven points to diesel's cetane score (which again improves the fuel's combustion performanc… See more