The Trump administration is demanding warranty and failure data from top manufacturers in an effort to end truck engine ...
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 ...
Breaking news, the EPA is forcing engine makers to reveal the truth behind their DEF systems for repairs, warranty claims to ...
The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel ...
Engine knocking can be an annoying issue to deal with, and it can even cause damage to your car. Here's why it might happen, ...
The federal agency is demanding failure and repair data from manufacturers to "hold [them] accountable for the continued system failures." ...
Removing an emissions device, while no longer a criminal matter, still represents risk for haulers. One responded to EPA and DOJ's recent moves on DEF faults and diesel derates, even questioning ...
Under the new measure, the EPA is requiring detailed warranty, failure rate and repair data from major diesel engine manufacturers.