The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...
The EPA questions if diesel DEF de-rates are essential for emissions compliance. Could changes be on the horizon? Discover ...
The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter “limp mode” when DEF levels are ...
The Environmental Protection Agency announced it is taking actions to ease the frustration and disruptions around sudden “derates” of diesel engines when they run out of diesel exhaust fluid or have a ...
Under the new measure, the EPA is requiring detailed warranty, failure rate and repair data from major diesel engine manufacturers.
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What Is DEF and How Does It Work?
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 ...
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