{"argument_date":"2025-03-25T00:00:00Z","arguments":[{"argument_date":"2025-03-25T00:00:00Z","heading":"What happened at the argument","official_detail_url":"https://www.supremecourt.gov/oral_arguments/argument_transcript/2024","official_transcript_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","paragraphs":["Mr. Tseytlin argued the Clean Air Act channels national actions to the D.C. Circuit.","He stated local actions like state plan approvals go to regional circuits.","Mr. Stewart noted both sides discussed EPA deference on forum questions.","Mr. Mansinghani stated state plan approvals are prototypical regional circuit actions."],"reargument":false,"sequence":1,"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 10, lines 15-39","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 10, lines 15-39"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 11, lines 41-51","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 11, lines 41-51"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 12, lines 13-15","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 12, lines 13-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 12, lines 55-15","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 12, lines 55-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 13, lines 37-43","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 13, lines 37-43"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 13, lines 53-13","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 13, lines 53-13"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 15, lines 13-13","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 15, lines 13-13"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 15, lines 7-7","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 15, lines 7-7"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 23, lines 29-53","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 23, lines 29-53"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 31, lines 9-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 31, lines 9-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 51-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 38, lines 51-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 11-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 11-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 23-17","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 23-17"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 7, lines 19-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 7, lines 19-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 7, lines 43-11","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 7, lines 43-11"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 21-27","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 8, lines 21-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 45-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 8, lines 45-9"}]}],"caption":"Oklahoma v. EPA","case_history":[{"changed_at":"2026-08-29T20:06:14.662271Z","explanation":"An official oral-argument transcript was verified.","status":"argued"},{"changed_at":"2026-08-29T23:55:45.459789Z","explanation":"An official Court opinion was verified.","status":"decided"}],"case_status":"decided","dek":"Oklahoma argues the D.C. Circuit must review state air plan approvals. The EPA argues regional courts handle these local actions.","dek_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 23, lines 29-53","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 23, lines 29-53"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 31, lines 9-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 31, lines 9-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 51-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 38, lines 51-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 23-17","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 23-17"}],"dispositions":[],"latest_court_document_date":"2025-03-25T00:00:00Z","maturity":"post_opinion","official_detail_url":"https://www.supremecourt.gov/oral_arguments/argument_transcript/2024","official_disposition_urls":["https://www.supremecourt.gov/opinions/24pdf/605us2r49_pok0.pdf"],"official_docket_url":"https://www.supremecourt.gov/docket/docketfiles/html/public/23-1067.html","primary_docket":"23-1067","revisions":[{"correction_note":"Rewritten to the concise citizen-facing editorial standard.","created_at":"2026-08-31T18:37:36.440015Z","maturity":"post_opinion","revision_number":1},{"correction_note":"Migrated to the dated official Court activity contract without model use.","created_at":"2026-09-05T03:22:24Z","maturity":"post_opinion","revision_number":2}],"schema_version":"1.1","sections":[{"heading":"What this case is about","paragraphs":["The Clean Air Act directs national EPA actions to the D.C. Circuit. It sends local or regional actions to regional courts. Oklahoma claims state plan approvals are national. The EPA claims they are local. The Court must decide which forum applies."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 23, lines 29-53","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 23, lines 29-53"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 31, lines 9-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 31, lines 9-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 51-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 38, lines 51-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 23-17","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 23-17"}]},{"heading":"How the case got here","paragraphs":["The Supreme Court heard oral argument in this case on March 25, 2025."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 11-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 11-21"}]},{"heading":"What each side wants","paragraphs":["Oklahoma wants the D.C. Circuit to review state air plan approvals.","The EPA wants regional courts to review state air plan approvals."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 23, lines 29-53","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 23, lines 29-53"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 31, lines 9-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 31, lines 9-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 51-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 38, lines 51-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 23-17","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 23-17"}]},{"heading":"What each side says","paragraphs":["Oklahoma argues state plan approvals have nationwide effects.","The EPA argues state plan approvals are local or regional actions."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 23, lines 29-53","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 23, lines 29-53"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 31, lines 9-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 31, lines 9-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 51-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 38, lines 51-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 23-17","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 23-17"}]},{"heading":"What the justices asked","paragraphs":["Justice Thomas asked how this case differs from a refinery case.","Justice Sotomayor asked if the framework lacks nationwide effect because it is not binding."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 10, lines 15-39","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 10, lines 15-39"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 11, lines 41-51","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 11, lines 41-51"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 12, lines 13-15","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 12, lines 13-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 12, lines 55-15","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 12, lines 55-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 13, lines 37-43","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 13, lines 37-43"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 13, lines 53-13","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 13, lines 53-13"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 15, lines 13-13","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 15, lines 13-13"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 15, lines 7-7","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 15, lines 7-7"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 7, lines 19-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 7, lines 19-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 7, lines 43-11","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 7, lines 43-11"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 21-27","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 8, lines 21-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 45-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 8, lines 45-9"}]},{"heading":"Why it matters","paragraphs":["This case defines which federal court hears air quality disputes. It affects how states challenge federal environmental rules. It shapes the balance of power between states and agencies."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 23, lines 29-53","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 23, lines 29-53"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 31, lines 9-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 31, lines 9-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 51-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 38, lines 51-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 23-17","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 23-17"}]},{"heading":"What happens next","paragraphs":["This article currently covers the argument record. Use the official docket link for later case activity."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 10, lines 15-39","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 10, lines 15-39"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 11, lines 41-51","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 11, lines 41-51"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 12, lines 13-15","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 12, lines 13-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 12, lines 55-15","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 12, lines 55-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 13, lines 37-43","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 13, lines 37-43"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 13, lines 53-13","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 13, lines 53-13"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 15, lines 13-13","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 15, lines 13-13"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 15, lines 7-7","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 15, lines 7-7"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 11-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 11-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 7, lines 19-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 7, lines 19-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 7, lines 43-11","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 7, lines 43-11"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 21-27","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 8, lines 21-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 45-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 8, lines 45-9"}]}],"slug":"2024-23-1067-oklahoma-v-epa","term":"2024","title":"Which federal court reviews state air plan approvals?","title_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 23, lines 29-53","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 23, lines 29-53"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 31, lines 9-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 31, lines 9-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 51-9","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 38, lines 51-9"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 23-17","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2024/23-1067_3nb3.pdf","page_label":"file page 5, lines 23-17"}],"topics":[],"undated_disposition_date_fallback":"latest_argument_date","updated_at":"2026-09-05T03:22:24Z"}