Clean Air Act (CAA)

Recent Activity

Results are sorted by the date of most recent activity.

Chamber of Commerce, et al. v. EPA (ESPS Rule)

September 17, 2019

D.C. Circuit dismisses petitions for review of the EPA’s 2015 Clean Power Plan as moot in light of the EPA’s 2019 Affordable Clean Energy Rule, which rescinds the 2015 Clean Power Plan. The U.S....

Chamber of Commerce, Murray Energy Corporation, et al. v. EPA (2015 Ozone NAAQS)

August 23, 2019

D.C. Circuit issues mixed ruling in challenges to Obama Administration’s 2015 Ozone NAAQS.

California Communities Against Toxics v. EPA

August 20, 2019

Divided panel of the D.C. Circuit dismisses petitions for review on the ground that there is no final agency action in the Wehrum memorandum on the “once in always in” policy for major sources...

American Lung Association v. EPA

August 6, 2019

U.S. Chamber files motion to intervene in support of the EPA in litigation concerning the EPA’s rule rescinding the Clean Power Plan and establishing the Affordable Clean Energy rule. The U.S....

Mayor & City of Baltimore v. BP PLC

August 2, 2019

U.S. Chamber files amicus brief in public-nuisance case against energy companies urging Fourth Circuit to reverse district court’s remand order and accept federal jurisdiction.

Chamber of Commerce, et al. v. EPA (ESPS Rule)

August 1, 2019

U.S. Chamber and coalition of petitioners file reply in support of motion to dismiss litigation against Clean Power Plan as moot in light of EPA’s final rescission of the Clean Power Plan.

Chamber of Commerce, et al. v. EPA (NSPS Rule)

July 15, 2019

Clean Power Plan petitioners, including the U.S. Chamber, jointly move to dismiss their challenges to Clean Power Plan as moot.

Chamber of Commerce, et al. v. EPA (ESPS Rule)

July 15, 2019

Clean Power Plan petitioners, including the U.S. Chamber, jointly move to dismiss their challenges to Clean Power Plan as moot.

Natural Resources Defense Council v. EPA

June 27, 2019

D.C. Circuit grants unopposed motion by environmental groups voluntarily dismissing their petitions for review challenging EPA’s guidance concerning project aggregation under the New Source Review...

Natural Resources Defense Council v. EPA

February 13, 2019

U.S. Chamber joins coalition intervening in support of EPA’s project aggregation rule for New Source Review Program under the Clean Air Act. A group of environmental NGOs and states have...