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 ...

The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about ...

The EPA questions if diesel DEF de-rates are essential for emissions compliance. Could changes be on the horizon? Discover ...

Following Monday’s right-to-repair announcement, EPA is demanding DEF failure data from engine makers, targeting shutdowns ...

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 ...

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 ...

Commissioner for the Connecticut State Department of Education Charlene M. Russell-Tucker speaks at a legislative hearing on March 19, 2025. Credit: Shahrzad Rasekh / CT Mirror Flaws in Connecticut’s ...

Truckers blame DEF for shutdowns and big repair bills. Now, the EPA wants data from manufacturers that could reshape DEF ...

An AI model that learns without human input—by posing interesting queries for itself—might point the way to superintelligence. Save this story Save this story Even the smartest artificial intelligence ...

PHOENIX — A special team named to find out why 6,554 child-abuse cases went uninvestigated concluded Friday there was a “systemic failure, a lack of accountability and transparency and bad ...