EPA targets truck engine makers on DEF system failures

The Trump administration is demanding warranty and failure data from top manufacturers in an effort to end truck engine ...
Overdrive

Diesel ‘deleter’ doesn't trust EPA’s move to end DEF derates

Removing an emissions device, while no longer a criminal matter, still represents risk for haulers. One responded to EPA and ...
Guessing Headlights on MSN

EPA may finally let diesel trucks drive on without limp mode

The EPA is considering eliminating the "limp mode" rule for diesel engines, a feature that drastically slows trucks and ...
Pickup Truck Talk + SUV on MSN

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 ...
Trucking Info

EPA Wants to Know: Are Diesel DEF De-Rates Really Needed for Emissions Compliance?

The Environmental Protection Agency is asking diesel engine makers to provide information about diesel exhaust fluid system failures as it considers changes to emissions regulations.
Agri-PulseOpinion

EPA demands data from diesel manufacturers over DEF system failures

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

EPA looks to permanently end diesel derates due to DEF, aftertreatment problems

EPA asked manufacturers for info in hopes to "PERMANENTLY eliminate the deratements ENTIRELY," agency boss Lee Zeldin said.
AgWeb

More DEF Relief? EPA Takes New Action for Farmers and Truckers

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