The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Connecticut. This revision continues to allow facilities to create and/ or use emission credits using NO<INF>X</INF> Emission Trading and Agreement Orders (TAOs) to comply with the NO<INF>X</INF> emission limits required by Regulations of Connecticut State Agencies (RCSA) section 22a-174-22 (Control of Nitrogen Oxides). The intended effect of this action is to approve the individual trading orders to allow facilities to determine the most cost-effective way to comply with the state regulation. This action is being taken in accordance with the Clean Air Act (CAA).