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 ...
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EPA moves to force engine makers to fix notoriously faulty diesel DEF systems, citing major savings for farmers
The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel exhaust fluid (DEF) system failures that have disrupted farming, trucking, and ...
The EPA questions if diesel DEF de-rates are essential for emissions compliance. Could changes be on the horizon? Discover ...
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 ...
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