Connecticut v. Environmental Protection Agency

IRVING R. KAUFMAN, Circuit Judge:

These challenges to a final ruling of the Environmental Protection Agency (“EPA” or “Agency”) call upon us to steer a course through the labyrinth that is the Clean Air *151Act.1 Few statutes present more complex problems for the nation’s courts than this 120-page treatise designed to safeguard our precious air resources. And, fewer are more important. Indeed, in reaching the proper construction of the Act’s requirements we must never forget Congress’s aim, universally shared, for a cleaner, healthier environment. At the same time, we remain guided by the…