Diesel Exhaust Fluid is a critical component in a diesel truck's fuel system. Here's what it does and how much you can expect ...

DEF's main purpose is to help with harmful emissions that contribute to air pollution. The pollutants created by diesel fuel emissions, such as oxides of nitrogen, can have significant impacts on ...

These vehicles do millions of miles over their lifespans, and their massive diesel engines go through a lot of fuel in that time. These vehicles go through a lot of DEF as you might imagine ...

The consequences can be dire when the diesel fuel is contaminated with DEF. In the more severe cases, the entire fuel system must be replaced, from the fuel fill pipe to the fuel injectors and ...

The modern world relies on diesel fuel for everything from personal transportation ... to anti-pollution laws -- all new diesels must use DEF or diesel exhaust fluid in conjunction with a ...

As said port is often located next to the one meant for fuel, it can be easy to become confused and add DEF directly into the diesel tank. The consequences of such a mix-up can be quite dire ...

Diesel Exhaust Fluid is not already added to diesel fuel pre-pump. Instead, it is pumped into a separate reservoir through a separate nozzle at diesel gas pumps and injected into hot exhaust ...

In addition to accidentally refilling the fuel tank with gasoline instead of diesel, some motorists may mistakenly put the Diesel Exhaust Fluid (DEF) into the fuel tank, which can affect the ...

HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is ...

The U.S. could be facing a shortage of diesel exhaust fluid, which is necessary for trucks manufactured after 2010. A driver fills up the tank of his car with diesel at a fuel station on ...

The Octane belongs to Cummins' HELM series, engines that are "fuel agnostic ... than the current B6.7 diesel. Going gas means you can ditch diesel exhaust fluid (DEF) tanks and emissions equipment ...