EPA Finalizes Partial Approval for California Heavy-Duty Vehicle Regulation
February 06, 2026
February 06, 2026
WASHINGTON, Feb. 6 (TNSFR) -- The U.S. Environmental Protection Agency announced a final rule regarding California's Heavy-Duty Inspection and Maintenance (HD I/M) Regulation. The agency is partially approving and partially disapproving the state's request to include these rules in its state implementation plan (SIP).
The decision allows California to enforce stricter emission inspections for heavy-duty non-gasoline vehicles weighing over 14,000 pounds, provided they are r . . .
The decision allows California to enforce stricter emission inspections for heavy-duty non-gasoline vehicles weighing over 14,000 pounds, provided they are r . . .