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 ...

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 ...

I’m at the FMCSA Motor Carrier Safety Advisory Committee’s joint meeting with the Medical Review Board today — watch my Twitter feed for updates from the meeting, where committee members are slated to ...

Hydrocarbon deposits on injector nozzles and internal surfaces (far right) can impede their function and performance. Corrosion inhibitors, detergent additives, and lubricity agents can help alleviate ...

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 ...

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 ...

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 ...

Browse the most recommended diesel injector cleaners to maintain your car's engine and performance ...

The new low-sulfur diesel fuel is now being pumped into your tanks, whether you like it or not. Sure, the '07 vehicles were built to work on the stuff, but what about your non-brand-new truck? We aren ...