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 ...
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 ...