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 group claimed that the renewable energy standard will harm out-of-state coal producers in violation of the C...

A district court dismissed Pennsylvania's public nuisance, trespass, and Pennsylvania Unfair Trade Practice and Consumer Protection Law claims against various refiners, manufacturers, marketers, distributors, and suppliers of methyl tertiary butyl ether (MTBE), a gasoline additive. The case is part ...