The general rule under the Clean Air Act is that any:
person may bring suit in district court against the EPA Administrator for an alleged failure to perform a nondiscretionary act or duty, and the district court has jurisdiction “to order the Administrator to perform such act or duty,” as well as to “compel . . . agency action unreasonably delayed.” By contrast, “judicial review of final action by the EPA Administrator rests exclusively in the appellate courts.… More