Truck Makers Urge ‘Major Questions’ Attack On Some Vehicle GHG Limits

Truck and engine makers are pressing EPA to rely on the major questions doctrine, rather than scuttling its underlying greenhouse gas endangerment finding, to undo “Phase 3” truck greenhouse gas standards, citing fears that a legal strategy of relying on the GHG finding gambit is too risky to provide needed regulatory relief. The suggestion in Sept. 22 formal comments highlights broader industry fears in both the truck and auto sectors that EPA’s push to rollback vehicle GHG limits in tandem...