Winter is the time of year that really puts diesel trucks and tractors to the test. Sure, a boosted engine loves cold air, but you know what doesn’t? The fuel that makes these workhorses run. That’s ...

Cummins Inc. recently endorsed two fuel additives, marking the first time the diesel engine maker has taken such a step. The original equipment manufacturer’s move reflects an evolution of 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 ...

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 ...

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 ...

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 ...

Diesel fuel goes bad with time, but additives can make it last longer and improve performance. Photo credit: David Traver Adolphus / AutoGuide.com. If your diesel car, truck, or even farm equipment ...

Back in 1993, U.S. government regulations required petroleum refiners to lower the sulfur content of diesel fuel from 5,000 parts per million to 500 ppm to reduce harmful emissions. But then ...

Pilot Flying J, Love’s and TravelCenters of America are among truck stops using cold-flow broad spectrum additives to treat fuel at cold-weather locations for the winter. “With the exception of our ...