WASHINGTON, Oct. 8 -- The Environmental Protection Agency issued the following news release:

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Trump EPA Continues to Clear Backlogged State Implementation Plans in Oklahoma

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DALLAS, TEXAS (Oct. 8, 2026) - Today, U.S. Environmental Protection Agency (EPA) approved final revisions to Oklahoma's State Implementation Plan (SIP) for the interstate transport of Sulfur Dioxide (SO2) that was submitted in 2021, marking the 15th SIP approval . . .

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