ACTIVISTS CALL FOR MONTANA MERCURY RULE TO CONTROL WESTERN COAL TYPE

Montana environmentalists plan to ask the state to regulate power plant mercury emissions at levels stricter than EPA's, in a move that may lead to widespread regulation of sub-bituminous coal, a Western variety for which mercury removal could be unusually difficult. The move comes amid a rising tide of support among many states to go further than the EPA rule, which is being challenged in court. At the same time, a coalition of state air officials plans to release in...