Greenwire: U.S. EPA is seeking to impose stricter emission regulations on marine vessels along U.S. coastlines, a move expected to dramatically slash air pollution in port cities, Administrator Lisa Jackson announced today. The move makes the United States the first country to ask the International Maritime Organization, or IMO, to create an emissions control area around the nation’s coastline. "This is an important – and long overdue – step in our efforts to protect the air and water …