Renewable Energy Conferences.com | Renewable Energy Events, Conferences, Exhibitions, Training and Seminars: U.S. Could Double Hydropower Production With Minimal Impact, Says Steven Chu U.S. Could Double Hydropower Production With Minimal Impact, Says Steven Chu ================================================================================ REC.com on 13/11/2009 02:55:00 More efficient turbines at existing hydroelectric projects or at dams without power components