Clean Air Act (CAA)

Recent Activity

Results are sorted by the date of most recent activity.

County of San Mateo v. Chevron Corporation

April 19, 2022

Affirming district court order remanding cases to state court, Ninth Circuit holds on remand from Supreme Court that none of the grounds for removal asserted by the defendants gives rise to...

Mayor & City Council of Baltimore v. BP PLC

April 7, 2022

Fourth Circuit affirms remand of climate-tort action to state court, holding that none of the grounds for removal gives rise to federal removal jurisdiction. The U.S. Chamber filed an amicus...

Chevron U.S.A. Inc. v. EPA

November 29, 2021

U.S. Chamber urges D.C. Circuit to hold that a letter issued by the Environmental Protection Agency, which reversed statutory interpretations that EPA had definitively announced three months...

United States v. Ameren Missouri

August 20, 2021

Eighth Circuit reverses, in part, district court’s order in Clean Air Act case, concluding that a company’s Clean Air Act violation at one plant does not provide a predicate for requiring...

Mayor & City Council of Baltimore v. BP PLC

August 13, 2021

U.S. Chamber files supplemental amicus brief arguing that federal common law claims regarding the effects of global climate change are removable to federal court even if the plaintiff fails to...

State of Ohio v. Volkswagen Aktiengesellschaft

July 22, 2021

Ohio Supreme Court concludes that the federal Clean Air Act neither expressly nor impliedly preempts claims under state law for manufacturers’ post-sale tampering with vehicles’ emissions-control...

Environment Texas Citizen Lobby, Inc. v. Exxon Mobil Corp.

July 14, 2021

U.S. Chamber files coalition amicus brief urging Fifth Circuit (1) to revisit, in light of new Supreme Court case law, plaintiffs’ standing to assert Clean Air Act citizen-suit claims and (2) to...

Clean Air Council v. U.S. Steel Corp.

June 21, 2021

Third Circuit holds that only Clean Air Act reporting requirements, and not CERCLA reporting requirements, apply to emissions governed by a Clean Air Act permit. The U.S. Chamber filed a...

County of San Mateo v. Chevron Corporation

May 24, 2021

Supreme Court grants, vacates, and remands cert. petition in light of its holding in B.P. p.l.c. v. Mayor and City Council of Baltimore that where a lower court rejects removal of an action to...

B.P. p.l.c. v. Mayor and City Council of Baltimore

May 17, 2021

Supreme Court holds that where a lower court rejects removal of an action to federal court under the federal officer removal doctrine, an appellate court can review all grounds for removal...