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

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.

EPA’s latest move on diesel exhaust fluid systems aims to reduce unexpected derates and costly downtime, both persistent ...

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

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

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

In a major move aimed at “freeing up” the American supply chain, President Trump and EPA Administrator Lee Zeldin announced ...

The move follows a February action seeking to end diesel derates. EPA cited the Small Business Administration as saying its ...

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

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.

EPA has rescinded rules requiring Diesel Exhaust Fluid Urea Quality Sensors on diesel-powered vehicles and nonroad equipment. EPA Administrator Lee Zeldin said the change was meant to address ...

SSI Technologies, a designer and manufacturer of ultrasonic level, pressure and magnetic sensors and monitoring systems, announced an SCR System DEF combination sensor to monitor urea level, ...