EPA expands Denver, El Paso ozone ‘nonattainment’ zones

EPA has finalized its plans to enlarge areas near Denver and El Paso classified in “nonattainment” with federal ozone limits, pleasing environmentalists who fought for a larger zone in Colorado to limit emissions from oil and gas sources but setting up a possible clash with Texas regulators and industry that oppose such a designation around El Paso. In a notice scheduled for publication in the Federal Register Nov. 30, EPA expands the Denver nonattainment zone to include the whole...