CCJ StaffTop StoriesIndustryEPA proposes to end DEF derates for good, scale back warranty requirementsIf finalized, the EPA believes its proposal will save American truckers and farmers as much as $12 billion by eliminating burdensome Biden-era regulationsClass 7-8Truck orders up more than 230%Class 7-8Cummins delaying launch of new enginesIndustryEPA issues 'Freedom to Fix' directiveFeatured SponsorLearn how top maintenance providers act on data before customers call.