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 ...

Refilling DEF is part and parcel of owning a diesel. But what happens if you use expired DEF instead of fresh fluid? Here's ...

but it needs diesel exhaust fluid (DEF) to work. Diesel exhaust fluid is an automotive-grade combination of urea and deionized water, which you inject into the exhaust stream of a diesel engine ...

Keep Diesel Emissions Systems Crystal-Free New Rislone Diesel DEF Treatment Super Concentrate stabilizes and improves diesel exhaust fluid (DEF) to prevent crystallization and enhance selective ...

Rislone debuts a high-strength DEF Treatment for fleet, ag and government diesel operations to protect SCR systems and ...

Keeping them burning clean is difficult. But one of the secrets to mitigating their emissions is the usage of diesel exhaust fluid (DEF), also known as AdBlue. The DEF injector on a 2015 ...

Diesel exhaust fluid, also known as DEF, AUS (from aqueous urea solution), or AdBlue, is used to lower the concentration of NOx in diesel exhaust emissions. Usually, the DEF tank filler is placed ...

DEF is a solution made up of urea and de ... 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 ...