FILE - In this April 28, 2008 file photo S.S. Badger Chief Engineer Chuck Cart shovels coal into the one of the steamship's four boilers in Ludington, Mich. On one level, it's a straightforward case ... more 
FILE - In this April 28, 2008 file photo S.S. Badger Chief Engineer Chuck Cart shovels coal into the one of the steamship's four boilers in Ludington, Mich. On one level, it's a straightforward case of a business seeking a government permit to discharge wastewater. But when the Environmental Protection Agency rules shortly on whether to let the S.S. Badger car ferry continue dumping ash into Lake Michigan, it will be a milestone in a decades-old effort to keep afloat the last coal-fired steamship operating on U.S. waters. (AP Photo/Jeff Kiessel/Ludington Daily News, File) less 
1 / 30
Associated Press | Photo By Jeff Kiessel/Ludington Daily News, File
Tue, Feb 26, 2013 3:15 PM EST