0001193125-03-023349 SC 13D/A 1 20030724 ENVIRONMENTAL POWER CORP 0000805012 4991 042782065 DE 1231 SC 13D/A 34 005-39155 03800722 500 MARKET ST STE 1E PORTSMOUTH NH 03801 6034311780 500 MARKET ST STE 1E PORTSMOUTH NH 03801 LIVINGSTON DONALD A 0001005578 SC 13D/A 500 MARKET ST SUITE 1E PORTSMOUTH NH 03801 6034311780 500 MARKET ST SUITE 1E PORTSMOUTH NH 03801 SC 13D/A 1 dsc13da.htm SCHEDULE 13D/A - AMENDMENT NO. 6