Commerce Clause

Minnesota's high court upheld an appellate court ruling in favor of a county's zoning ordinance that bans all industrial-mineral mining, including silica-sand mining. A silica-sand…

The Ninth Circuit affirmed a district court's dismissal of a constitutional challenge to California's 2015 Low Carbon Fuel Standard (LCFS). Farming groups argued that the state's…

A Minnesota appellate court affirmed a lower court ruling in favor of a county's zoning ordinance that bans all industrial-mineral mining, including silica-sand mining. A silica-sand mining…

The D.C. Circuit dismissed a truck association's lawsuit against EPA challenging California's tractor-trailer emission rules. The association argued that the state regulations…

A district court upheld Oregon's clean fuels program, which seeks to reduce lifecycle emissions of greenhouse gases (GHG) from transportation fuels by 10% over a 10-year period. Trade…

The Tenth Circuit upheld on constitutional grounds Colorado's mandate that 20% of the electricity that generators sell to Colorado consumers come from renewable sources. A conservative energy…

A district court upheld the constitutionality of a New York county's solid waste flow control ordinance that directs all solid waste generated within the county to designated publicly owned…

The Ninth Circuit held that the California Air Resource Board (CARB) low carbon fuel standard's regulation of ethanol does not facially discriminate against out-of-state commerce. CARB treats…

The U.S. Supreme Court held that Oklahoma statutes that favor in-state water appropriation permit applicants over out-of-state permit applicants do not violate the Commerce Clause and are not…

The Seventh Circuit upheld a FERC order allowing a regional electricity transmission system to apportion costs for new power lines necessary to bring power generated from wind farms in the Great…