Approval and Promulgation of State Implementation Plans (SIP) for Louisiana: Motor Vehicle Inspection and Maintenance Program

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This EPA rulemaking addresses comments received in response to the proposed disapproval of the SIP revision submitted by Louisiana for establishing and operating a motor vehicle Inspection and Maintenance (I/M) Program, and finalizes disapproval of the plan. An enhanced I/M program is required in the Baton Rouge serious ozone nonattainment area under the Clean Air Act (the Act) as amended in 1990. The State lacks the legal authority to establish and operate an I/M program in the ozone nonattainment area. This action is being taken under section 110 of the Act.