Emissions rise from the Duke Energy coal-fired Asheville Power Plant ahead of Hurricane Florence in Arden, N.C., in September 2018. Regulators are supposed to make sure Duke Energy delivers reliable power at the lowest possible cost — and that

North Carolina’s governor is promising to quickly cut greenhouse emissions but will need to convince Duke Energy, the state’s dominant utility, to abandon coal and gas in favor of solar and wind.

(Image credit: Charles Mostoller/Bloomberg via Getty Images)