1United States Census ] iBureau, U.S. & World Population Clocks, http://www.census.gov/main/www/popclock. html; U.S, Energy Information Achninistration,International Energy Statistics, http://www. eia.gov/cfapps/ipdbproject/IEDl ndex3. cfm?fid=44&pid=44&aid= 2.
2The White House, Office of the Press Secretary, Remarks by the president at energy policy briefing, February 20, 1991.
10U.S. Energy Information Agency, Department of Energy of the U.S., Annual Energ3, Review, 2010 (Washington, l).C.: Office of Energy Marker and End Use, October 201 l), p.I72.
