The D.C. Circuit dismissed petitions challenging EPA's and the National Highway Traffic Safety Administration's (NHTSA's) coordinated rules governing the greenhouse gas emissions and fuel economy of cars and trucks.

The Colorado Supreme Court held that state law does not allow a trial court to issue a modified case management order, such as a "Lone Pine" order, that requires a plaintiff to present prima facie evidence in support of a claim before the plaintiff can exercise its full rights of discov

A district court held that individuals who were not party to a 2008 settlement agreement between an oil company and more than 2,000 plaintiffs for personal injury claims as a result of oil operations are not entitled to the same settlement terms.

A California appellate court held that the state's water resources board did not violate state law when it voted 2-1 to increase water quality permit fees for the 2011-2012 fiscal year. When the board voted for the increase, two of the seats were vacant.