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 U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel ...
Breaking news, the EPA is forcing engine makers to reveal the truth behind their DEF systems for repairs, warranty claims to ...
The Trump administration is demanding warranty and failure data from top manufacturers in an effort to end truck engine ...
EPA asked manufacturers for info in hopes to "PERMANENTLY eliminate the deratements ENTIRELY," agency boss Lee Zeldin said.
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 ...
The federal agency is demanding failure and repair data from manufacturers to "hold [them] accountable for the continued ...
The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about ...
Tips for troubleshooting poor acceleration, stalling, trouble maintaining speed, warning lights Why is my diesel truck losing ...
Following Monday’s right-to-repair announcement, EPA is demanding DEF failure data from engine makers, targeting shutdowns ...
I recently read a pretty startling statistic—in the next year, the off-highway engine market will consume about 20 million gallons of Diesel Exhaust Fluid (DEF). In the next five years that number is ...