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Supremacy Clause

Wyoming v. Livingston

The court upholds the dismissal of state misdemeanor trespass and littering claims against a federal officer and contractor involved in the federal reintroduction of wolves in Wyoming. The officer and contractor were charged with the...

Clean Air Mkts. Group v. Pataki

The court affirms a district court decision that New York Air Pollution Mitigation Law §66-k is preempted by the Clean Air Act (CAA) Title IV cap-and-trade system and violates the Supremacy Clause of the U.S. Constitution. Section...

Taubman Realty Group Ltd. Partnership v. Mineta

The court holds that the owner of a retail development lacked standing to bring Federal-Aid Highway Act (FAHA) and National Environmental Policy Act (NEPA) actions against the Secretary of Transportation and the Federal Highway...

Omya, Inc. v. Vermont

The court holds that a Vermont Environmental Board Act 250 (Act 250) permit that restricted truck travel through a village does not violate the U.S. Commerce Clause or the Supremacy Clause. A company whose goods were transported through...

Missouri v. Glasgow, City of

The court holds that a city violated the Federal Water Pollution Control Act (FWPCA) by discharging sludge from its wastewater treatment facility without an operating permit. The court first holds that a state constitutional provision...