A district court dismissed environmental groups' CAA citizen suit against EPA for failing to respond to their 2011 petition concerning ammonia gas pollution. In 2011, the groups petitioned EPA asking it to find that ammonia gas pollution endangers the public health and welfare, designate ammonia as ...
The D.C. Circuit dismissed a truck association's lawsuit against EPA challenging California's tractor-trailer emission rules. The association argued that the state regulations impermissibly discriminate against out-of-state tractor trailers in violation of the dormant Commerce Clause. The associatio...
The Ninth Circuit affirmed a lower court decision that BLM complied with NEPA and FLPMA in allowing the construction of a utility-scale wind project in California's Sonoran Desert. BLM sufficiently evaluated and disclosed the environmental impacts of the wind energy facility project under NEPA. Envi...