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Jun 20, 2025 The Supreme Court allowed a challenge to California's vehicle emission waiver to proceed Tier 1 · Primary Institutions and Governance
The decision reopened litigation over a long-standing state regulatory power, affecting the balance between federal and state environmental authority.
Primary sourceA record that carries the claim alone
Supporting reportingSurfacings — do not carry alone
Supporting reports
- Supreme Court Allows Challenge to California's Emission Limits — The U.S.
- Supreme Court releases opinion in Diamond Alternative Energy, LLC v. EPA (24-7) — The Supreme Court released an official slip opinion in Diamond Alternative Energy, LLC v.
Verified: Tier 1 primary record
Week 22 – 2025-06-14–2025-06-20
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