October Term 2000 · Docket 99-1257

Can the EPA revise ozone standards despite congressional limits?

Ohio and trucking groups claim the EPA broke the law by changing ozone rules. The EPA argues Congress gave it this power.

Official caption
Browner v. American Trucking Assns., Inc.
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Verified source milestones

  1. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    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.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

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.

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How the case got here

The Supreme Court heard oral argument in this case on November 7, 2000.

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What each side wants

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.

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What each side says

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.

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What the justices asked

Did Congress intend to limit the EPA's ability to revise ozone standards?

Does the Clean Air Act violate the nondelegation doctrine?

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Why it matters

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.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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