xAI ruling deals blow to US efforts to block citizen enforcement of clean air law

By Amy Miller ( November 2, 2026, 23:10 GMT | Comment) -- The NAACP's lawsuit against xAI over alleged pollution from its data center power plant will go on after a Mississippi federal judge upheld citizen enforcement of the Clean Air Act, dealing a blow to the company’s argument that such suits infringe presidential powers. US District Judge Debra M. Brown also rejected xAI’s claim that its trailer-mounted gas turbines are exempt from air permitting requirements, having previously rebuffed the Department of Justice’s attempt to shut down the case.The NAACP’s pollution lawsuit against xAI will go on after a US judge in Mississippi rejected its challenge to citizen enforcement of the Clean Air Act, preserving a route for affected communities to sue even when regulators decline to act....

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