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

The PACCAR MX DEF software update raises final inducement speed to 25 mph and extends the repair window for MX-11 and MX-13 ...

Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the air cleaner. After years of complaints about failure-prone diesel exhaust ...

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

Cummins and Paccar are rolling out software updates tied to revised EPA guidance on DEF inducement. The changes aim to ...

Add Yahoo as a preferred source to see more of our stories on Google. Will the ability to stop using DEF sensors impact its consumption level? (Photo: Shutterstock) If a truck driver wants to save a ...

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 ...

Peterbilt said the new MX-13 version meets the CARB Omnibus Regulation and features redesigns of internal hardware and the aftertreatment system to effectively reduce NOx emissions. Ad Loading... The ...