The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...
The Trump administration is demanding warranty and failure data from top manufacturers in an effort to end truck engine shutdowns. The post EPA targets truck engine makers on DEF system failures ...
The data collected will allow EPA to independently evaluate ongoing system failures. As of Feb. 2, engine manufacturers have 30 days to provide EPA with data on model years 2016, 2019 and 2023 ...
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 ...
DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...