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 ...
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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 ...
Cummins and PACCAR are updating diesel engine software to give operators more time to address certain DEF-related issues ...
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