The U.S. Supreme Court, in a splintered 5-4 decision, affirmed dismissal of a constitutional challenge to a California law that forbids in-state sale of pork meat from breeding pigs that are…
A district court dismissed a challenge to the Michigan Public Service Commission's 2017 and 2018 orders requiring electricity suppliers to buy energy from local sources. Industry groups…
The Sixth Circuit reversed a district court's denial of a preliminary injunction in a lawsuit concerning a Kentucky law that offsets the state's severance tax on coal. A coal producer…
The Fifth Circuit affirmed in part and reversed in part a district court’s dismissal of a lawsuit concerning a 2019 Texas law that allows only owners of existing transmission lines in the state to…
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…