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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 ...
The EPA is encouraging manufacturers to return to or adopt NOx sensor-based strategies to improve system robustness and reduce failures associated with DEF sensors, but OEMs are largely left to ...
While diesel-powered passenger vehicles are increasingly limited in the U.S., they remain vital, especially for those in the ...
New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...
EPA is removing DEF sensor requirements to end costly equipment shutdowns and save farmers an estimated $4.4 billion annually ...
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