Colorado power companies bet big on net-zero emissions as state debates 100% renewable energy future

“'The California clean energy standard by 2045 gives utilities more leeway and allows for new technology to emerge and for a residual role for natural gas,' said Dallas Burtraw, a senior fellow at Resources for the Future, a Washington, D.C.-based energy and environment think tank. 'If the goal is carbon reduction, you don’t need to preordain renewable generation,' Burtraw said. 'It doesn’t make sense to lock in to a 100-percent renewable goal.'”