But the softly whirring rig wasn’t searching for fossil fuels....
Few sites have the right conditions for this, however, so geothermal only produces 0.4% of America’s electricity. But hot, dry rocks lie below the surface everywhere on the planet....
And by using advanced drilling techniques developed by the oil and gas industry, some experts think it’s possible to tap that larger store of heat and create geothermal energy almost anywhere....
综合
芝加哥论坛报-国家与世界
2023-08-29 00:00:00.0
