Lawmakers in some states have been laying the groundwork to add geothermal power to the electrical grid and pump underground heat into buildings. Now, a technological breakthrough could dramatically expand
Polis pushes geothermal energy as new state laws kick in, industry touts technological breakthroughs realvail.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from realvail.com Daily Mail and Mail on Sunday newspapers.