The EPA is targeting faulty DEF sensors with new guidance allowing a different type of sensor to monitor NOx emissions in diesel engines. In the Trump administration’s latest steps to address the ...
Recently the Environmental Protection Agency (EPA) announced that diesel exhaust fluid (DEF) quality sensors are not required on trucks. The American Trucking Associations (ATA) and others have argued ...
HOLLY, Mich, Oct. 02, 2025 (GLOBE NEWSWIRE) -- A diesel vehicle is built tough, but there are two small bits of technology that can bring it to its knees: NOx (nitrogen oxides) sensors. These sensors ...
The U.S. Environmental Protection Agency (EPA) last week issued guidance that drops the requirement for Diesel Exhaust Fluid (DEF) sensors as part of a truck's aftertreatment system and allows truck ...
WASHINGTON — On Friday, March 27, 2026, at the White House Great American Agriculture Celebration on the South Lawn, President Trump announced U.S. Environmental Protection Agency (EPA) Administrator ...
DEF sensors are more than just emissions components—they are key tools for managing fluid costs and optimizing vehicle performance. The EPA must ensure future industry regulations continue to advance ...
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