IPCC. 2007. Climate Change 2007: Synthesis Report. Contribution of Working Groups I, II and III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Core Writing Team, R.K. Pachauri and A. Reisinger, eds. IPCC, Geneva, Switzerland.
Macedo, I.C., MR.L.V. Leal, and J.E.A.R.da Silva. 2004. Assessment of Greenhouse Gas Emissions in the Production and Use of Fuel Ethanol in Brazil. Secretariat of the Environment of the State of São Paulo, Brazil. Available at http://www.unica.com.br/i_pages/files/pdf_ingles.pdf.
McKinsey & Company. 2007. Reducing U.S. Greenhouse Gas Emissions: How Much at What Cost? Available at http://www.mckinsey.com/clientservice/ccsi/pdf/US_ghg_final_report.pdf.
NCEP (National Commission on Energy Policy). 2004. Ending the Energy Stalemate: A Bipartisan Strategy to Meet America’s Energy Challenges. Available at http://www.energycommission.org/ht/d/sp/i/492/pid/492.
NCEP. 2007. Energy Policy Recommendations to the President and 110th Congress. Available at http://www.energycommission.org/ht/display/ContentDetails/i/1577/pid/493.
NPC (National Petroleum Council). 2007. Hard Truths: Facing the Hard Truths About Energy. Available at http://www.npchardtruthsreport.org/.
NRC (National Research Council). 2008a. Review of the Research Program of the FreedomCAR and Fuel Partnership: Second Report. The National Academies Press, Washington, D.C. Available at http://books.nap.edu/openbook.php?record_id=12113.
NRC. 2008b. Transitions to Alternative Transportation Technologies—A Focus on Hydrogen. The National Academies Press, Washington, D.C. Available at http://books.nap.edu/openbook.php?record_id=12222.
NRC and NAE (National Research Council and National Academy of Engineering). 2004. The Hydrogen Economy: Opportunities, Costs, Barriers, and R&D Needs. The National Academies Press, Washington, D.C. Available at http://www.nap.edu/openbook.php?isbn=0309091632.
Pasternak, A. 2000. Global Energy Futures and Human Development: A Framework for Analysis. Lawrence Livermore National Laboratory Report No. UCRL-ID-140773. October.
Raupach, M.R., G. Marland, P. Ciais, C. Le Quéré, J.G. Canadell, G. Klepper, and C.B. Field. 2007. Global and regional drivers of accelerating CO2 emissions. Proceedings of the National Academy of Sciences USA 104(24):10288-10293.
UK DTI (United Kingdom Department of Trade and Industry). 2003. Technology Status Review and Carbon Abatement Potential of Renewable Transport Fuels in the UK. Report B/U2/00785/REP, 2003. Available at www.dti.gov.uk/renewables/publications/pdfs/b200785.pdf.
UNICA (Brazilian Sugarcane Industry Association). 2005. Sugarcane’s Energy: Twelve Studies on Brazilian Sugarcane Agribusiness and Its Sustainability. I. de Carvalho Macedo, organizer. Uniao da Agroindustria Canavieira de São Paulo, São Paulo.
USDA (U.S. Department of Agriculture). 1995. Estimating the Net Energy Balance of Corn Etha-nol. Agricultural Economic Report No. 721, H. Shapouri, J.A. Duffield, and M.S. Graboski, Economic Research Service, Office of Energy. July. Available at http://www.ers.usda.gov/publications/aer721/AER721.PDF.
U.S. Geological Survey. 2000. U.S. Geological Survey World Petroleum Assessment 2000—Descrip-tion and Results. U.S. Geological Survey World Energy Assessment Team. U.S. Geological Survey Digital Data Series—DDS-60.
Victor, D.G., J.R. Schlesinger, and J. Deutch. 2006. National Security Consequences of U.S. Oil Dependency. Council on Foreign Relations, Washington, D.C. Available at http://www.cfr.org/content/publications/attachments/EnergyTFR.pdf.
Wigley, T.M.L., R. Richels, and J.A. Edmonds. 1996. Economic and environmental choices in the stabilization of atmospheric CO2 concentrations. Nature 379:240-243.