WASHINGTON, June 20 (TNSFR) -- The U.S. Environmental Protection Agency has issued a rule approving the regional haze state implementation plan revision submitted by the California Air Resources Board for the second implementation period. This plan addresses air quality improvements aimed at reducing visibility impairment caused by air pollution in mandatory federal Class I areas within California. The approved plan includes strategies and measures designed to meet the requirements of the Clean more PR

WASHINGTON, June 19 (TNSFR) -- The U.S. Department of Transportation Federal Aviation Administration has issued a final rule (Docket No. FAA-2025-0405; 14 CFR Part 71) entitled "Modification of Class E Airspace; Yellowstone Regional Airport, Cody, WY." This action by the Federal Aviation Administration modifies the Class E airspace extending upward from 700 feet above the surface to provide additional instrument flight procedure containment at Yellowstone Regional Airport, Cody, WY. The rule al more PR