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 ...

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 ...

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 ...

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 ...

Fuel mileage, how much diesel exhaust fluid use, and a tutorial on how to check DEF (diesel exhaust fluid) level in the Jeep Wrangler Diesel using Four Wheeler of the Year 2020 Wrangler Rubicon ...

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.

Use of diesel exhaust fluid is predicted to grow ten-fold in the coming five years. DEF requires careful handling, so here are the key use and storage tips to help your crew use it effectively.

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

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 ...