References
- Energy Information Administration, International Petroleum Monthly, March 2008, Table 4.6, http://tonto.eia.doe.gov/FTPROOT/monthlyhistory.htm.
- Energy Information Administration, International Energy Outlook 2007, Table 3, http://www.eia.doe.gov/oiaf/ieo/index.html.
- Energy Information Administration, Annual Energy Outlook 2007, Table A-11, http://www.eia.doe.gov/oiaf/archive/aeo07/index.html.
- Oak Ridge National Laboratory, Transportation Energy Data Book: Edition 27, (2008), "Table 1.13 Consumption of Petroleum by End-Use Sector, 1973-2006," 1-17, retrieved May 6, 2008, from http://cta.ornl.gov/data/tedb26/Edition26_Chapter01.pdf.
- U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy Hydrogen, Fuel Cells & Infrastructure Technologies Program, Multi-year Research, Development, and Demonstration Plan (2007), p. 2-1, http://www1.eere.energy.gov/hydrogenandfuelcells/mypp/pdfs/benefits.pdf.
- U.S. Department of Energy Hydrogen Posture Plan, 2006, p. B-2, http://www.hydrogen.energy.gov/pdfs/hydrogen_posture_plan_dec06.pdf.
- U.S. Department of Energy (Hydrogen Program), "Record 5017: Air Quality and Population," http://www.hydrogen.energy.gov/program_records.html.
- U.S. Department of Energy, Hydrogen Posture Plan, December 2006, p. 7, http://www.hydrogen.energy.gov/pdfs/hydrogen_posture_plan_dec06.pdf.
- Military & Aerospace Electronics Online, “Global fuel cell demand to reach $8.5 billion in 2016,” July 25, 2007, http://mae.pennnet.com/articles/article_display.cfm?article_id=300834.
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