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 ...

For today’s trucker, every mile counts. Whether you're hauling coast-to-coast or doing short regional runs, protecting your engine and maximizing fuel efficiency is crucial. Diesel fuel for your ...

The appearance of the pumps may not change but the diesel fuel they dispense will soon undergo a seasonal shift. Pilot Flying J, Love’s and TravelCenters of America each use cold flow, broad spectrum ...

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 ...

Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com. Over time and miles, your car might start to slow down. It might not ...

Although fuel filters and water separators get routine checks year-round, as ambient temperatures begin to drop, the actual fuel in the tank requires more attention. Adequate preparation isn’t always ...

Forbes contributors publish independent expert analyses and insights. Llewellyn King has been a player in the energy space since 1970. Steam did the heavy lifting of the Industrial Revolution. Then, ...