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

The Environmental Protection Agency (EPA) on Thursday published a proposal to revise regulations for commercial truck nitrogen oxides (NOx) emissions for the 2027 model year, dropping a requirement ...

EPA's relaxed NOx rule, as many expected, removes the warranty extension—and proposes annihilating the troublesome DEF derate ...

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 ...

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 ...

Boeing's Starliner undocks from the International Space Station at the conclusion of the Crew Flight Test mission. Credit: NASA WASHINGTON — A new report links the long-running technical problems with ...

So you’ve connected a device to your PC via a USB port — but Windows doesn’t recognize it. What now? Before you assume the product (or your PC port) is broken, there are several USB troubleshooting ...

These two major engine manufacturers are aligning with relaxed EPA guidance related to sudden derates due to DEF/emissions ...

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 ...

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