Represented NEDA’s Clean Air Project in a number of cases in the federal courts including the U.S. Supreme Court in Utility Air Regulatory Group v. EPA (GHG Tailoring Rule) and Duke Energy Corp. v. EPA (Amicus in New Source Review Enforcement Case); the U.S. Court of Appeals for the Dist. of Columbia in SE Legal Fdn, et al v. EPA (SIP SSM Plans), Sierra Club v. EPA (SSM Plans in NESHAPS), Nat’l Envt’l. Develop. Assoc. v. EPA (aggregation of point sources for permit applicability),South Coast Air Quality Mgmt. Dist. v. EPA (Ozone Implementation Rule), & Nat. Resources Defense Council v. EPA (NSR Reform and Plantwide Applicability Limits); and before the U.S. Court of Appeals for 9th Cir. in NRDC and Cit. for a Better Environ. v. EPA & Medical Advocates for Latinos et al. v. EPA (Ozone Nonattainment Penalty Fees)