The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor ...

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

EPA changes its diesel exhaust fluid sensor policy. The post DEF sensors no longer required on trucks, other diesel equipment: EPA appeared first on FreightWaves.

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

The White House came alive today with the Great American Agriculture Celebration, but the real fireworks happened when ...

EPA is removing DEF sensor requirements to end costly equipment shutdowns and save farmers an estimated $4.4 billion annually.

At the White House Great American Agriculture Celebration, President Trump announced another decisive action U.S. Environmental Protection Agency Administrator Lee Zeldin has taken to address ...

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 ...

At the Great American Agriculture Celebration on the White House South Lawn Friday, President Trump announced that the ...

For more information, please see EPA’s Diesel Exhaust Fluid. Since 2010, most on-road diesel trucks and many types of nonroad ...

Selective catalyst reduction (SCR) systems were introduced in 2010 in the United States to meet the NOx requirements. With an ...