In 2023, after years of pollution, equipment failures, and health concerns, the Cumberland Fossil Plant in Tennessee was slated to close within the decade.

The coal-fired plant had been part of a multibillion-dollar settlement in 2011 after its operator, the Tennessee Valley Authority, failed to install pollution control technology a decade earlier. Regulators cited the plant for more air-pollution violations in 2017 and 2023. TVA said it would shutter Cumberland’s units in 2026 and 2028.

Then the Trump administration replaced four of TVA’s board members, and the agency reneged on its retirement plan in February. Now, TVA has a federal pledge for $46 million to extend Cumberland’s lifespan—part of a nationwide push by President Donald Trump to keep older coal plants running.

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The Trump administration is trying to help Elon Musk's xAI Corp. beat a Clean Air Act lawsuit filed by the National Association for the Advancement of Colored People (NAACP). The US said the NAACP lawsuit threatens an xAI data center that powers Grok systems needed by the military.

The NAACP sued xAI and subsidiary MZX Tech in April, alleging that they violated the Clean Air Act by operating 27 gas turbines without an air permit in Southaven, Mississippi. The number of unpermitted turbines rose to 57 by mid-May and there were plans to install two more, the NAACP said in a June 12 filing.

"Defendants’ Colossus Gas Plant powers xAI’s nearby Colossus 2 data center, which in turn powers the chatbot 'Grok,'" the lawsuit said. The gas turbines have fueled both health concerns and noise complaints.

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The Trump administration has abandoned its effort to halt wind energy projects across the United States and dropped its challenge to the court ruling that tossed President Donald Trump’s order freezing federal permitting and leasing for wind projects. States that challenged the order hailed the development as one of the most significant legal victories against the Trump White House’s campaign against the energy transition.

On Monday, the US Court of Appeals for the First Circuit dismissed the appeal after the Justice Department filed a motion for its voluntary dismissal on June 10.

The case against Trump’s executive order was filed in May 2025 by a coalition of attorneys general from 17 states and Washington, DC, led by New York Attorney General Letitia James.

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