{"argument_date":"2000-11-07T00:00:00Z","arguments":[{"argument_date":"2000-11-07T00:00:00Z","heading":"What happened at the argument","official_detail_url":"https://www.supremecourt.gov/oral_arguments/argument_transcript/2000","official_transcript_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","paragraphs":["General Waxman argued the Clean Air Act does not violate the nondelegation doctrine.","Ms. French argued the EPA's action conflicted with Congress' specific plan.","Mr. Warren argued the EPA's decision lacked a clear decision-making framework."],"reargument":false,"sequence":1,"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 20, lines 47-49","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 20, lines 47-49"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-19","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 17-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 5-15","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 5-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 36, lines 39-37","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 36, lines 39-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 45, lines 25-27","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 45, lines 25-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 47, lines 29-31","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 47, lines 29-31"}]}],"caption":"Browner v. American Trucking Assns., Inc.","case_history":[{"changed_at":"2026-08-29T20:06:33.750765Z","explanation":"An official oral-argument transcript was verified.","status":"argued"}],"case_status":"argued","dek":"Ohio and trucking groups claim the EPA broke the law by changing ozone rules. The EPA argues Congress gave it this power.","dek_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 20, lines 47-49","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 20, lines 47-49"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-19","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 17-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 36, lines 39-37","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 36, lines 39-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 45, lines 25-27","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 45, lines 25-27"}],"dispositions":[],"latest_court_document_date":"2000-11-07T00:00:00Z","maturity":"official_transcript","official_detail_url":"https://www.supremecourt.gov/oral_arguments/argument_transcript/2000","official_disposition_urls":[],"official_docket_url":"https://www.supremecourt.gov/docket/docketfiles/html/public/99-1257.html","primary_docket":"99-1257","revisions":[{"correction_note":"Rewritten to the concise citizen-facing editorial standard.","created_at":"2026-08-31T22:53:59.887642Z","maturity":"official_transcript","revision_number":1},{"correction_note":"Migrated to the dated official Court activity contract without model use.","created_at":"2026-09-05T03:22:24Z","maturity":"official_transcript","revision_number":2}],"schema_version":"1.1","sections":[{"heading":"What this case is about","paragraphs":["This case tests the EPA's authority to update air quality rules. The dispute centers on whether Congress restricted the agency's power to change ozone standards."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 20, lines 47-49","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 20, lines 47-49"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-19","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 17-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 36, lines 39-37","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 36, lines 39-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 45, lines 25-27","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 45, lines 25-27"}]},{"heading":"How the case got here","paragraphs":["The Supreme Court heard oral argument in this case on November 7, 2000."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 5-15","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 5-15"}]},{"heading":"What each side wants","paragraphs":["Ohio and trucking groups want the court to strike down the new ozone standard.","The EPA wants the court to keep the revised ozone standard in place."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 20, lines 47-49","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 20, lines 47-49"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-19","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 17-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 36, lines 39-37","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 36, lines 39-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 45, lines 25-27","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 45, lines 25-27"}]},{"heading":"What each side says","paragraphs":["Ohio argues the EPA acted unlawfully because the 1990 law limits its power.","The EPA argues the Clean Air Act grants it broad authority to set these standards."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 20, lines 47-49","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 20, lines 47-49"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-19","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 17-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 36, lines 39-37","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 36, lines 39-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 45, lines 25-27","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 45, lines 25-27"}]},{"heading":"What the justices asked","paragraphs":["Did Congress intend to limit the EPA's ability to revise ozone standards?","Does the Clean Air Act violate the nondelegation doctrine?"],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 47, lines 29-31","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 47, lines 29-31"}]},{"heading":"Why it matters","paragraphs":["This case defines the balance of power between Congress and the EPA. It determines how much discretion the agency holds when setting environmental rules. The outcome shapes future air quality regulations nationwide."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 20, lines 47-49","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 20, lines 47-49"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-19","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 17-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 36, lines 39-37","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 36, lines 39-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 45, lines 25-27","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 45, lines 25-27"}]},{"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 3, lines 5-15","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 5-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 47, lines 29-31","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 47, lines 29-31"}]}],"slug":"2000-99-1257-browner-v-american-trucking-assns-inc","term":"2000","title":"Can the EPA revise ozone standards despite congressional limits?","title_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 20, lines 47-49","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 20, lines 47-49"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-19","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 3, lines 17-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 36, lines 39-37","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 36, lines 39-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 45, lines 25-27","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1257rev.pdf","page_label":"file page 45, lines 25-27"}],"topics":[],"undated_disposition_date_fallback":null,"updated_at":"2026-09-05T03:22:24Z"}