Trump promised to "drill, baby, drill." What does that actually mean for the U.S. oil and gas industry – and other types of energy, too?

A new technique for harvesting geothermal energy being pioneered in Utah has passed a significant milestone: Southern California Edison has contracted for enough of the energy to power 400,000 homes.

Workers in the energy sector face two paths: The oil industry offers big salaries but more volatility, while clean energy pays less but provides more stability and a sense of mission.