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 ...

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 ...

By understanding different additives, you can extend the lifespan of your vehicle.

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 ...

If you use low-quality gas without extra fuel additives and detergents, your fuel system and injectors will get dirty. Here’s how they work.

With gas prices at record high levels statewide, drivers may be tempted to buy gasoline additives that claim to improve vehicle mileage. The Automobile Club of Southern California is advising ...

Given the chore of changing it every few months, the typical motorist realizes that engine oil degrades over time. Some will also notice the mysterious codes for the different grades—10W-40, 5W-30, ...

Winter’s approach brings truck fueling systems into a different focus. Although fuel filters and water separators get routine checks year round, as ambient temperatures begin to drop, the actual fuel ...

Collector cars spend more time as garage queens than they do as road warriors. And that means they sit around—especially through the winter months—with gasoline in the tank. In the old days, this wasn ...

Rotary has unveiled new fuel stabilizers and treatment additives for small engines. A complete line of products is featured in Rotary’s 2023 master parts catalog including STA-BIL, Ethanol Shield, PRI ...

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 ...