The Fifth Circuit dismissed environmental groups' petitions challenging DOI's approval of 16 oil well exploration and development plans that were issued between March 29 and May 20, 2010, under the Outer Continental Shelf Lands Act (OCSLA). The groups argued that the agency failed to consider th...

The D.C. Circuit held unripe an oil and natural gas association's petition for review challenging a 2008 EPA regulation deregulating many hazardous secondary materials under RCRA. The association argued that EPA erred in not including in the deregulation a category of hazardous secondary materia...

The Sixth Circuit held that the CAA's citizen suit provision does not allow an environmental group to file suit to compel the state of Ohio to administer a particular federal CAA regulation it has chosen no longer to administer. In 2006, the Ohio General Assembly passed legislation that allows the s...

A California court overturned a small claims court's grant of damages in favor of a woman who filed suit against an automobile manufacturer for making fraudulent claims about her hybrid car's fuel economy and performance. The manufacturer's fuel economy ratings were obtained using the test metho...

A district court held that EPA does not have a mandatory duty to review and, if necessary, promulgate new PSD rules for ozone simply because the NAAQS for ozone has been revised. The history of the CAA and its numerous amendments unambiguously demonstrates that Congress differentiated duties ste...

A district court dismissed California's suit against DOI challenging its approval of the Colorado River Water Delivery Agreement under NEPA and the CAA. The state alleged that DOI failed to comply with the two statutes prior to approving it and sought an order immediately ceasing water deliverie...

A district court held that an environmental group may go forward with its CAA citizen suit against EPA for failing to promulgate by November 15, 2000, regulations to reduce hazardous air pollutant emissions created during the manufacturing of brick and structural clay products. EPA filed a motio...

The Fifth Circuit vacated EPA's disapproval of three Texas regulations that provide for a standardized permit for minor new source review (NSR) pollution control projects that reduce or maintain current emissions rates. EPA had no legal basis on which to disapprove the permit. EPA used Texas law...