Pickup Truck +SUV Talk on MSN
EPA rolls back DEF rules after months of diesel delete buzz: Here’s what actually changed
For months, diesel truck owners have wondered whether the Trump administration would dramatically roll back EPA emissions ...
EPA's relaxed NOx rule, as many expected, removes the warranty extension—and proposes annihilating the troublesome DEF derate ...
The Environmental Protection Agency on Thursday unveiled a proposal that, while leaving in place the actual emissions limits mandated in a 2023 final rule for model year 2027 engines, could put a ...
Cummins and PACCAR are updating diesel engine software to give operators more time to address certain DEF-related issues ...
Cummins and Paccar are rolling out software updates tied to revised EPA guidance on DEF inducement. The changes aim to ...
Updated diesel engine software gives truck operators more time to address emissions-system issues while staying compliant ...
These two major engine manufacturers are aligning with relaxed EPA guidance related to sudden derates due to DEF/emissions ...
The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor requirement for all diesel equipment, a decision the agency frames as a direct ...
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