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89 FR 23294

EPA finalized amendments to NESHAPs for integrated iron and steel manufacturing facilities. 

89 FR 22648

SIP Proposal: California (revisions concerning nonattainment fees in the San Diego County Air Pollution Control District). 

Texas v. United States Department of Transportation

A district court granted summary judgment for the state of Texas in a challenge to the Federal Highway Administration's (FHwA's) 2023 rule requiring states to measure, report, and set declining targets for the amount of carbon dioxide emitted by vehicles using the interstate and national highway sys...

89 FR 22363

SIP Proposal: Oregon (revisions to stationary source permitting rules). 

89 FR 22086

EPA gave notice that the volatile organic compounds and nitrogen oxides motor vehicle emissions budgets in the submitted 2015 ozone moderate reasonable further progress plan for Allegan, Berrien, and Muskegon Counties are adequate for conformity purposes. 

89 FR 22087

EPA updated a portion of the outer continental shelf air regulations for which North Carolina is the designated corresponding onshore area. 

89 FR 22141

EPA entered into a proposed consent decree in in Sierra Club v. United States Environmental Protection Agency, No. 1:23-cv-01744-JDB (D.D.C.), that would establish deadlines for the Agency to sign a notice of proposed rulemaking for certain SIPs concerning regional haze. 

89 FR 21437

SIP Approval: Florida (general conformity portion of the conformity rule). 

89 FR 21222

SIP Proposal: West Virginia (limited maintenance plans for the 2006 24-hour fine particulate matter NAAQS for the Charleston area and the West Virginia portion of the Steubenville-Weirton area).