Climate Central: Natural gas is proving to be a significant challenger to the dominance of coal in the U.S., but not necessarily overseas, according to two new Energy Information Administration (EIA) reports. The EIA released the reports several days after the Environmental Protection Agency announced proposed regulations heavily capping carbon dioxide emissions on future coal-fired power plants in the U.S. Another set of rules is expected to follow next year, capping carbon emissions at existing coal-fired power...