EPA Sparks Controversy With Proposal To Rewrite Air Rules For National Parks

EPA has proposed eliminating local emission limits known as "increments" as one option in a sweeping new proposal to overhaul the way it sets pollution limits in prevention of significant deterioration (PSD) permits for national parks and other areas under the Clean Air Act. The proposal includes an option that would set up nationwide or regional cap-and-trade programs in lieu of the so-called increments. But environmentalists and some National Park Service (NPS) sources are criticizing EPA's proposed options, saying the...