All documents filed under this part shall be addressed to: Office of Fuels Programs, Fossil Energy, U.S. Department of Energy, Docket Room 3F-056, FE-50, Forrestal Building, 1000 Independence Avenue SW., Washington, DC 20585. All hand delivered documents shall be filed with the Office of Fuels Programs at the above address between the hours of 8 a.m. and 4:30 p.m., Monday through Friday, except Federal holidays.