FYI - DOT response to request for confidential treatment: <a href="http://www.regulations.gov/fdmspublic/ContentViewer?objectId=09000064803b0c04&disposition=attachment&contentType=pdf" target="_blank">http://www.regulations.gov/fdmspublic/ContentViewer?objectId=09000064803b0c04&disposition=attachment&contentType=pdf</a> Some granted some denied, but intresting list of items on the last 2 pages.