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 ...

In a historic industry move, Cummins, the world’s largest manufacturer of diesel engines, announced its endorsement of two diesel fuel additives: Power Service Diesel Kleen +Cetane Boost and Power ...

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 ...

There are dozens of fuel additives on the market designed to prevent or reduce gelling of diesel fuel in cold weather. Winter grade #2 fuel begins to gel at 10- to 20° F, depending on its refiner.

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 ...

Have any of you ever tried Prolong's Fast Fuel diesel fuel treatment?We just received a shipment and might be giving it a go. According to Prolong, its product increases mileage and performance, ...