Subcommittee on Energy and Environment Markup - H.R. 3957, the "Water Use Efficiency and Conservation Research Act;" H.R. 2339, the "Produced Water Utilization Act of 2007" 110th Congress Markup May 6, 2008 H.R. 3957, the "Water Use Efficiency and Conservation Research Act," approved, as amended, by voice vote. H.R. 2339, the "Produced Water Utilization Act of 2007," approved, as amended, by voice vote. Permalink: https://republicans-science.house.gov/2008/5/subcommittee-energy-and-environment-markup-hr-3957-water-use-efficiency-and