The xAI data center, Colossus II, in Memphis.
Photographer: Brad Zweerink/EarthjusticeA lawsuit over unpermitted gas turbines used to power a data center for Elon Musk’s company xAI Corp. and its AI assistant Grok has become an unexpected test for the US government’s authority over air pollution.
The US Department of Justice sought to join the case last week, citing national security reasons for allowing the turbines in Mississippi to power a hulking data center complex in nearby Memphis. The NAACP had sued over alleged pollution violations.