{"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/2000/99-1426.pdf","paragraphs":["General Waxman stated the EPA has consistently interpreted the Clean Air Act for thirty years. He argued the law requires setting standards solely by reference to pollutant presence in the air. He emphasized the agency's long-standing interpretation of the statute.","argument_summary","The government contends the Clean Air Act mandates setting standards based only on health effects. the sides that brought the case argue the statute allows considering economic costs. The Court must decide which interpretation aligns with the law."],"reargument":false,"sequence":1,"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 45-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 25, lines 45-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 3, lines 17-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 5-15","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 3, lines 5-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 46, lines 15-17","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 46, lines 15-17"}]}],"caption":"American Trucking Assns., Inc. v. Browner","case_history":[{"changed_at":"2026-08-29T20:06:33.750720Z","explanation":"An official oral-argument transcript was verified.","status":"argued"}],"case_status":"argued","dek":"Truckers argue the EPA must consider economic costs when setting air quality standards. The agency insists the law requires setting standards based only on health effects.","dek_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 45-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 25, lines 45-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 3, lines 17-21"}],"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/99-1426.html","primary_docket":"99-1426","revisions":[{"correction_note":"Rewritten to the concise citizen-facing editorial standard.","created_at":"2026-08-31T18:24:25.434262Z","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":["The dispute centers on how the EPA sets National Ambient Air Quality Standards. the sides that brought the case claim the agency must weigh economic costs. The government argues the statute mandates standards based solely on pollutant presence."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 45-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 25, lines 45-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 3, lines 17-21"}]},{"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/2000/99-1426.pdf","page_label":"file page 3, lines 5-15"}]},{"heading":"What each side wants","paragraphs":["the sides that brought the case want the Court to allow the EPA to consider economic costs when setting air quality standards.","The government wants the Court to require the EPA to set standards based solely on health effects."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 45-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 25, lines 45-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 3, lines 17-21"}]},{"heading":"What each side says","paragraphs":["the sides that brought the case argue the Clean Air Act permits the EPA to balance economic costs against health benefits.","The government argues the statute requires setting standards based only on the effects of a pollutant's presence in the air."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 45-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 25, lines 45-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 3, lines 17-21"}]},{"heading":"What the justices asked","paragraphs":["Does the Clean Air Act authorize the EPA to consider economic costs when setting air quality standards?"],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 46, lines 15-17","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 46, lines 15-17"}]},{"heading":"Why it matters","paragraphs":["This case determines whether the EPA can weigh economic costs when setting air quality standards. The outcome shapes how the agency balances public health and economic impact. It defines the scope of federal regulatory power over air pollution."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 45-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 25, lines 45-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 3, lines 17-21"}]},{"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/2000/99-1426.pdf","page_label":"file page 3, lines 5-15"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 46, lines 15-17","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 46, lines 15-17"}]}],"slug":"2000-99-1426-american-trucking-assns-inc-v-browner","term":"2000","title":"Does the Clean Air Act allow cost factors in setting air quality standards?","title_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 45-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 25, lines 45-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 17-21","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2000/99-1426.pdf","page_label":"file page 3, lines 17-21"}],"topics":[],"undated_disposition_date_fallback":null,"updated_at":"2026-09-05T03:22:24Z"}