Federal Register #2026-22592

EPA proposes approval of DC vehicle emissions inspection program updates

The EPA is proposing regulatory approvals for air-quality programs; this notice does not seek products or services through a procurement. - Government buyer: U.S. Environmental Protection Agency (EPA), Region III, Air & Radiation Division. - District of Columbia action: EPA proposes to approve updates to the District’s Enhanced vehicle emissions inspection and maintenance (I/M) program and certify that it meets Basic I/M requirements for the District’s portion of the Washington, DC-MD-VA moderate ozone nonattainment area. - The program includes periodic emissions testing, generally every two years for passenger vehicles, annually for commercial passenger vehicles, and twice yearly for school buses. - EPA reports that modeling shows the program meets or exceeds the Basic I/M performance standard. - Additional action mentioned: The attachment also begins a separate EPA proposal to approve a Maricopa County Air Quality Department plan addressing emissions from existing municipal solid waste landfills. - OEMs, vendors, products, and quantities: None are identified; no goods or commercial services are being solicited.

Description

The Environmental Protection Agency proposes to approve a State Implementation Plan revision submitted by the District of Columbia. The revision incorporates regulatory updates to the District’s Enhanced motor vehicle emissions inspection and maintenance program since its previous EPA approval. It also certifies that the existing Enhanced I/M program meets Clean Air Act requirements for a Basic I/M program for the District’s portion of the Washington, DC-MD-VA nonattainment area under the 2015 Ozone NAAQS. Written comments are due December 7, 2026, according to the notice.

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