natural gas

The median age in the county is now 44.9, compared with 32.9 in Pittsburgh.

Black Hills Energy serves roughly 129,500 customers in Wyoming.

Other members of the group include Utah, the Ute Indian Tribe and four Colorado counties.

Natural gas is expected to remain the fuel of choice for power generation with an expected 40% share of U.S. markets this summer.

The report cites ongoing competition from cheap and cleaner-burning forms of energy, especially natural gas.

The oil company can still press its case with Interior or continue to challenge the matter in court.

A Democratic senator from Oregon and environmentalists blasted the proposal as undercutting local communities opposed to fossil fuel exports.

The wells would be drilled in an area covering some 220 square miles.

It comes a week after the U.S. Environmental Protection Agency proposed weakening a similar rule for emissions from public and private lands

The Bureau of Land Management issued a record of decision Tuesday.