Environmental Protection Agency December 30, 2022 – Federal Register Recent Federal Regulation Documents
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Air Plan Approval; Arizona; Maricopa County; Power Plants
The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Maricopa County Air Quality Department's (MCAQD or County) portion of the Arizona State Implementation Plan (SIP). The revision addresses Arizona's reasonably available control technology (RACT) SIP obligations for the Phoenix- Mesa ozone nonattainment area that is classified as Moderate nonattainment for the 2008 ozone national ambient air quality standards (NAAQS). We are approving a local rule that regulates emissions of oxides of nitrogen (NOX) and particulate matter (PM) from power plants under the Clean Air Act (CAA or the Act).
Air Plan Approval; Illinois; Alton Township 2010 SO2
The Environmental Protection Agency (EPA) is proposing to approve the State Implementation Plan (SIP) revision which Illinois submitted to EPA on December 31, 2018, for attaining the 2010 sulfur dioxide (SO2) primary national ambient air quality standard (NAAQS) for the Alton Township nonattainment area in Madison County. This plan (herein called a ``nonattainment plan'') includes Illinois' attainment demonstration and other elements required under the Clean Air Act (CAA), including the requirement for meeting reasonable further progress (RFP) toward attainment of the NAAQS, reasonably available control measures and reasonably available control technology (RACM/ RACT), base-year and projection-year emission inventories, enforceable emission limitations and control measures, nonattainment new source review (NNSR), and contingency measures. EPA is proposing to approve Illinois' submission as a SIP revision for attaining the 2010 primary SO2 NAAQS in the Alton township nonattainment area, finding that Illinois has adequately demonstrated that the plan provisions provide for attainment of NAAQS in the nonattainment area and that the plan meets the other applicable requirements under the CAA.
Renewable Fuel Standard (RFS) Program: Standards for 2023-2025 and Other Changes
Under the Clean Air Act, the Environmental Protection Agency (EPA) is required to determine the applicable volume requirements for the Renewable Fuel Standard (RFS) for years after those specified in the statute. This action proposes the applicable volumes and percentage standards for 2023 through 2025 for cellulosic biofuel, biomass-based diesel, advanced biofuel, and total renewable fuel. This action also proposes the second supplemental standard addressing the remand of the 2016 standard-setting rulemaking. Finally, this action proposes several regulatory changes to the RFS program including regulations governing the generation of qualifying renewable electricity and other modifications intended to improve the program's implementation.
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