New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...

If a truck driver wants to save a few bucks by running some of its miles without diesel exhaust fluid (DEF), it’s now going ...

Farmers gain relief as EPA eliminates DEF sensor rules, cutting costs and reducing equipment failures during critical ...

Added information on DEF / DPF system history for on-road and off-road diesel-powered vehicles and equipment. The run of ...

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

President Donald Trump and the U.S. Environmental Protection Agency announced guidance allowing the removal of the DEF sensor ...

Sick of DEF failures shutting you down? EPA is pushing changes that could reduce disruptions caused by faulty sensors.

Selective Catalytic Reduction (SCR) systems and the use of diesel exhaust fluid (DEF) have drawn renewed attention across the agricultural, trucking, and equipment sectors following recent actions and ...

Maintaining optimal performance and ensuring compliance with emissions standards go hand in hand for operators of diesel trucks. Diesel Exhaust Fluid (DEF) is a critical component in achieving both.

On Friday, the U.S. Environmental Protection Agency released the following: Today, at the White House Great American Agriculture Celebration, President Trump announced another decisive action U.S.

Manufacturers' required DEF derates will soon be less severe. Current equipment may enter limp mode and slow to 5 mph, or stop altogether until a DEF fault is cleared. The EPA's new guidance for ...

Semi trucks need a lot of power to carry their cargo on the road. That's why it can be a huge problem for the driver if it ...