S. 2971 · 113th Congress Energy Efficiency Improvement Act of 2014 StageIn committee SponsorJeanne Shaheen Introduced2014-12-03 Latest action2014-12-03 · Introduced in Senate Follow Summary Text Subjects Cosponsors (8) Votes (0) Actions Cosponsors (8) Christopher Coons Current member Senate DE Democrat Al Franken Former member Senate MN Democrat Mary Landrieu Former member Senate LA Democrat Joe Manchin Former member Senate WV Independent Mark Warner Current member Senate VA Democrat Kelly Ayotte Former member Senate NH Republican Michael Bennet Current member Senate CO Democrat Rob Portman Former member Senate OH Republican