EPA Appears On Track To Issue Final Heavy Truck NOx Rule By Year End

November 7, 2022
EPA has sent its draft final heavy-duty truck nitrogen oxides (NOx) rule for White House review, suggesting the agency will be able to issue the regulation by Dec. 31 and provide sufficient lead time to allow the new limits to apply in model year 2027 when new California standards and ‘phase 2’ federal GHG limits apply, a key demand by equipment suppliers. The agency sent the draft final heavy-duty rule to the White House Office of Management and Budget (OMB)...


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