GUARDIAN | Environment
‘The LED of heating’: cheap geothermal energy system makes US comeback
“加热的LED”：廉价地热能系统重返美国市场
Temperatures in Minnesota can plummet to under -10C in the winter.
2026-01-29 1168词 晦涩
Now, 45 years after the first test wells were drilled under the university’s St Paul campus, one of the first large-scale aquifer thermal energy systems in the country is being built less than 10 miles from the original test site.
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