HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is probably ...

EPA asked manufacturers for info in hopes to "PERMANENTLY eliminate the deratements ENTIRELY," agency boss Lee Zeldin said.

Following Monday’s right-to-repair announcement, EPA is demanding DEF failure data from engine makers, targeting shutdowns ...

Few engine and vehicle debuts have been anticipated with the same level of excitement as the 5.0L Cummins-powered Nissan Titan XD. For years, Cummins has produced some of the best diesel motors ever ...

In 2016, Nissan introduced a Cummins-powered engine option for the Titan pickup truck, a model that had already earned a lukewarm reception from full-size truck buyers. After a brief and troubled ...

EPA administrator Lee Zeldin and SBA administrator Kelly Loeffler reveal a solution to DEF system problems that have plagued truckers and farmers for over a decade. Bondi Makes Major Announcement on D ...