EPA Tightens Permitting Rules for Grok-Powering Gas Turbines

TL;DR Summary
Environmental groups won a ruling that clarifies temporary gas-turbine generators used by xAI’s Grok data centers must still comply with clean-air permits. The EPA update closes a local loophole that allowed turbines to operate without federal permits by being labeled as “non-road” or temporary, meaning federal oversight now governs the permitting process for Grok-powered facilities in Tennessee. SELC and allied groups argue this closes a loophole that could worsen air pollution, while xAI has moved to obtain permits; the NAACP emphasizes swift enforcement to protect nearby communities.
- EPA Rule Clarification Hits a Significant Source of Grok’s Electricity Gizmodo
- Elon Musk’s xAI datacenter generating extra electricity illegally, regulator rules The Guardian
- Elon Musk's xAI faces tougher road building out data centers after EPA rule update CNBC
- U.S. govt says Musk's gas turbine generators for xAI aren’t exempt from permits — EPA ruling closes local loophole that allowed Musk to get power from temporary on-site power generators Tom's Hardware
- Elon Musk's xAI Faces Expansion Challenges After EPA Closes Regulatory Loophole Intellectia AI
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