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 ...

Cummins and PACCAR announce software updates extending repair windows and boosting final derate speeds up to 25 mph.

Today on the FRAME, we go inside Freightliner, the Daimler Truck–owned brand, to reveal how its massive trucks are manufactured in the United States. Do you have a great product to showcase? We can ...

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 ...