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EPA drops DEF sensor requirement after Trump push, reports say
The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor ...
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EPA urges diesel makers to drop failure-prone DEF quality sensors
Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the ...
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 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 ...
EPA’s latest move on diesel exhaust fluid systems aims to reduce unexpected derates and costly downtime, both persistent ...
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.
For more information, please see EPA’s Diesel Exhaust Fluid. Since 2010, most on-road diesel trucks and many types of nonroad ...
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