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Sinclair Wyoming Refining Co. LLC v. Environmental Protection Agency

The D.C. Circuit rejected challenges to renewable fuels standards EPA set for 2020, 2021, and 2022. Cellulosic biofuel producers argued the standards were set too low, and petroleum refiners argued they were set too high. Specifically, the biofuel producers argued EPA misinterpreted or unreasonably ...

89 FR 47468

SIP Approval: Kentucky (revisions to geographical boundary description and attainment status designation for the Henderson-Webster 2010 primary sulfur dioxide nonattainment area). 

89 FR 47474

SIP Proposal: District of Columbia, Maryland, and Virginia (revisions to motor vehicle emissions budgets and onroad and nonroad mobile emissions for volatile organic compounds and nitrogen oxides for years 2025 and 2030).