(NY) Buffalo News - The St. Marys Challenger was built in 1906 and still plies the Great Lakes.But critics of proposed federal rules regarding ship emissions say the venerable vessel and a dozen other steamships on the Great Lakes could be forced off the waters by the more stringent requirements.

The rules proposed by the Environmental Protection Agency have spawned a debate between environmentalists, who claim the changes are needed to combat air pollution caused by commercial vessels, and critics with ties to the shipping industry, who contend the rules would impose an unfair, costly burden on Great Lakes carriers and lead to lost business. More