The court denies a petition challenging the U.S. Environmental Protection Agency's (EPA's) decision to grant a nitrogen oxide (NOx) reduction requirement exemption to four states abutting Lake Michigan under Clean Air Act (CAA) §182. The effect of the challenged rule is to allow the Lake Michigan s...

The court upholds a U.S. Environmental Protection Agency (EPA) rule that revised and established nitrogen oxide (NOx) emission limits for Group 1, Phase II electric utility boilers as well as Group 2 boilers under Clean Air Act (CAA) Title IV. The court first holds that in revising the limits for th...

The court holds that the Federal Aviation Administration's (FAA's) approval of the expansion of Burbank-Glendale-Pasadena Airport does not violate the National Environmental Policy Act (NEPA) or the Clean Air Act (CAA). The court first rejects the arguments made by two cities that if FAA had taken a...

The court upholds the U.S. Environmental Protection Agency's (EPA's) decision to grant California a Clean Air Act (CAA) §209(b) waiver allowing the state to enforce its own on-board emissions diagnostic device (OBD) regulations, which contain OBD antitampering provisions. The court also upholds EPA...

The court holds that the Federal Energy Regulatory Commission's (FERC's) decision to approve a city's application to amend a hydroelectric power license did not violate the National Environmental Policy Act (NEPA) or the Federal Power Act (FPA). The application proposed the running of a 9.6-mile pow...

The court holds that New York's zero emission vehicle (ZEV) sales requirement for model years 1998-2002 is preempted by Clean Air Act (CAA) §209. The court first holds that the ZEV sales requirement must be considered a standard "relating to the control of emissions" and is, therefore, within the p...

The court remands a district court decision holding a project manager and a construction company liable for violations of the asbestos national emission standards for hazardous air pollutants (NESHAPs) during the demolition of buildings at a development site. The court first holds that the manager a...

The court holds that a state environmental agency's enforcement actions against a petroleum company preclude a citizen suit against the company for Clean Air Act (CAA) violations. The court first holds that CAA §304 does not permit the litigation to proceed. CAA §304 precludes citizen suits where ...

The court denies petitions to review a U.S. Environmental Protection Agency (EPA) rule that conditionally allows foreign gasoline refiners to establish and use individual baselines reflecting their 1990 gasoline fuel property levels, instead of statutory baselines, under the antidumping provision of...

The court denied a petition to review the U.S. Environmental Protection Agency's (EPA's) approval of a revision to Missouri's state implementation plan (SIP) that replaced four area-specific fugitive dust regulations with one, consistent statewide rule. The court first holds that the state environme...