List of Sources

1 Energy Information Administration. "2003 CBECS Detailed Tables. Building Characteristics Tables for All Buildings (Including Malls), table A1." December 2006. 1 June 2007 . Energy Information Administration. "2002 Energy Consumption by Manufacturers--Data Tables. Table 9.1 - Enclosed Floorspace and Number of Establishment Buildings." 8 March 2005. 1 June 2007 .

2 Energy Information Administration. "2003 CBECS Detailed Tables. Table C4A. Expenditures for Sum of Major Fuels for All Buildings, 2003." December 2006. 1 June 2007 . Energy Information Administration. "2002 Energy Consumption by Manufacturers--Data Tables. Table 7.9 Expenditures for Purchased Energy Sources, 2002." 2002. 1 June 2007 .

3 U.S. Environmental Protection Agency, ENERGY STAR program. "Useful Facts and Figures." No date referenced. 1 June 2007 .

4 Inventory of U.S. Greenhouse Gas and Sinks: 1990-2005. "USEPA #430-R-07-002, Table 2-16: U.S. Greenhouse Gas Emissions by Economic Sector and Gas with Electricity-Related Emissions." April 2007. 14 June 2007 .

5 U.S. Environmental Protection Agency, ENERGY STAR program. "The ENERGY STAR Challenge: Build a BetterWorld 10% At a Time." No date referenced. 1 June 2007 .

6 Energy Information Administration. "2003 CBECS Detailed Tables. Table C4A. Expenditures for Sum of Major Fuels for All Buildings, 2003." December 2006. 1 June 2007 . Energy Information Administration. "2002 Energy Consumption by Manufacturers--Data Tables. Table 7.9 Expenditures for Purchased Energy Sources, 2002." 2002. 1 June 2007 .

7 Inventory of U.S. Greenhouse Gas and Sinks: 1990-2005. "USEPA #430-R-07-002, Table 2-16: U.S. Greenhouse Gas Emissions by Economic Sector and Gas with Electricity-Related Emissions." April 2007. 14 June 2007 . From Table 2-16 US Greenhouse Gas Emissions by Economic Sector (CPPD Approved Source) Commercial Total CO2 = 1024.98 mmt Industrial - Electricity Related Only CO2 = 679.7 mmt Total CO2 = 1704.68 mmt Using US Climate Technology Cooperation Gateway Greenhouse Gas Equivalencies Calculator (CPPD Approved Source/Calculator) 1704.68 Million Metric Tons CO2 = 304,951,699 vehicles; 10% reduction for Challenge = approximately 30 million vehicles (Source: EPA).

8 U.S. Department of Transportation Federal Highway Administration. "State Motor-Vehicle Registrations - 2005." October 2006. 1 June 2007 . Illinois, New York, Ohio, and Texas add up to 29,951,758 registered vehicles.

9 Energy Information Administration. "Apples, Oranges, and BTU." June 2006. 1 June 2007. .

10 Energy Information Administration. "Energy Overview." Annual Energy Review. Table 1.1. 2005. 1 June 2007 .

11 Ibid. Total consumption is 99.89 Quadrillion Btu, Fossil Fuel Consumption is 85.96 Quadrillion Btu. Percent from fossil fuel is 85.96/99.89 = 86%.

12 Inventory of U.S. Greenhouse Gas and Sinks: 1990-2005. "USEPA #430-R-07-002, Table 2-16: U.S. Greenhouse Gas Emissions by Economic Sector and Gas with Electricity-Related Emissions.". April 2007. 14 June 2007 .

13 World Resources Institute. "Climate Analysis Indicators Tool (CAIT)." 2007. 14 June 2007 http://cait.wri.org/cait.php?page=yearly>. U.S. is listed at 5,912 for 2004, while the world is listed at 27,043. Percentage for U.S.: 5,912/27,043 = 21.86%.

14 U.S. Census Bureau. "U.S. and World Population Clocks - POPClocks." 22 November 2006. 25 May 2007 . The U.S. is at 20.38% of world total.

15 IPCC, 2007: Climate Change 2007: The Physical Science Basis. Contribution of Working Group III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. Summary for Policymakers, section B.

16 IPCC, 2007: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. FAQ 3.1.