S. 509 · 109th Congress Energy Markets Improvement Act of 2005 StageIn committee SponsorDianne Feinstein Introduced2005-03-03 Latest action2005-03-03 · Introduced in Senate Follow Summary Text Subjects Cosponsors (4) Votes (0) Actions Cosponsors (4) Maria Cantwell Current member Senate WA Democrat Tom Harkin Former member Senate IA Democrat Carl Levin Former member Senate MI Democrat Ron Wyden Current member Senate OR Democrat