Fuel Fix: The expansion of a terminal along the heavily industrialized Houston Ship Channel normally receives little attention. But Kinder Morgan Energy Partners plans to refurbish two docks have opened a new front in the fight over coal. Environmentalists are mounting a campaign to stop the projects and a dozen other proposed shipping terminals along the Gulf Coast because the docks, if built to capacity, could export as much as 200 million tons of coal per year from Appalachia and the Rockies to Asia and...