2021-13081: Air Plan Approval; North Carolina; Revision to Approved Motor Vehicle Emissions Budgets
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The Environmental Protection Agency (EPA) is proposing to approve a revision to the North Carolina State Implementation Plan (SIP), submitted to EPA on July 16, 2020, by the State of North Carolina, through the North Carolina Department of Environment and Natural Resources, Division of Air Quality (NCDAQ) for the purpose of allocating a portion of the available 2026 safety margin in the 2008 8- hour Ozone Maintenance Plan to the 2026 nitrogen oxides (NO<INF>X</INF>) and volatile organic compounds (VOC) motor vehicle emissions budgets (``MVEBs'' or ``budgets'') for the North Carolina portion of the Charlotte-Rock Hill, NC-SC bi-state Area (hereinafter referred to as the ``North Carolina portion of the Charlotte Maintenance Area'') to account for uncertainty associated with the mobile emissions model and unanticipated growth in vehicle miles traveled for the North Carolina portion of the Charlotte Maintenance Area. This SIP revision also revises the 2026 MVEBs which are used for transportation conformity. NCDAQ's July 16, 2020 submission supplements the revised 2008 8-hour Ozone Maintenance Plan submitted by NCDAQ on July 25, 2018, and approved by EPA on September 11, 2019. EPA is proposing to approve North Carolina's July 16, 2020 SIP revision and deem the MVEBs adequate for transportation conformity purposes because they meet all the statutory and regulatory requirements.
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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