Unverified50% confidenceFactExact time
The Clean Air Act is a U.S. federal environmental law enacted in 1970, significantly amended in 1977 and 1990, and requires new or significantly modified stationary sources to pass the New Source Review (NSR) process before beginning operation.
1
Sources
50%
Confidence
Long-term
Relevance
8/8/2026
First Seen
Sources
xAI无视环境法规争议：AI巨头的合规困境与双标质疑
Related Claims
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