WASHINGTON, Jan. 24 (TNSFR) -- The U.S. Environmental Protection Agency issued a final rule fully disapproving Colorado's 2022 Regional Haze State Implementation Plan (SIP) revision. The decision centers on the state's attempt to mandate the closure of the Nixon Unit 1 power plant without the owner's consent, raising significant legal and constitutional concerns.

The Conflict Over Nixon Unit 1

The disapproval marks a rare instance where the EPA has reject . . .

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