Diesel exhaust fluid, or DEF, is a key component in lowering pollutants emitted from diesel engines, helping to improve efficiency and reduce emissions. MotorTrend News ...

What is diesel exhaust fluid and why is it more important than ever? Diesel truck enthusiasts, long-haul truckers and especially fleet managers collectively had a Chicken Little moment way back in ...

Diesel Exhaust Fluid (DEF) is a crucial component in modern diesel vehicles, introduced to comply with US Environmental Protection Agency (EPA) regulations that began in 2010. It's a solution made ...

Given how important the fluid is, you don't want your diesel-powered vehicle to run on expired DEF. Long-term use of expired DEF can significantly affect the performance of the selective catalytic ...

For most diesel-powered engines, DEF is vital so the vehicle performs at its best. Here's what it is exactly and what the acronym stands for.

Diesel exhaust fluid doesn’t last forever. Before restarting an idle heavy-duty diesel truck or using DEF from storage, make ...

The Diesel Exhaust Fluid Market is surging as stricter emissions regulations and advancements in DEF technology drive growth. The rise in selective catalytic reduction technology and the demand ...

Here’s What GM Recommends If Diesel Exhaust Fluid Was Added To The Fuel System . By Sam McEachern. August 1, 2022 8:27 am . Facebook Twitter LinkedIn Pinterest Email Print. 23 ...

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 ...