A National Index for Energy Productivity (97th Congress) Print Facebook Twitter Email Report File https://www.jec.senate.gov/reports/97th Congress/A National Index for Energy Productivity (1057).pdf Permalink: https://www.jec.senate.gov/public/index.cfm/1982/12/report-bd61740e-8fb1-491d-af32-f92ac8f0b85b