Decades After the U.S. Government Conducted Research Beneath This City, a Promising Clean Energy Technology Returns to Its Roots
- Posted on November 15, 2025
- By Google News
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Decades After the U.S. Government Conducted Research Beneath This City, a Promising Clean Energy Technology Returns to Its Roots

Researchers drilling under a college campus in the 1980s paved the way for an ambitious new project in the Twin Cities.