1. International Energy Outlook 2006; DOE/EIA-0484(2008);Energy Information Administration, U.S. Department of Energy:Washington, DC, 2008.
2. Steps toward the hydrogen economy
3. Solar and Wind Technologies for Hydrogen Production: Report to Congress; ESECS EE-3060;U.S. Department of Energy:Washington, DC, 2005, available athttp://www.hydrogen.energy.gov/congress_reports.html.
4. Ivy, J.Summary of Electrolytic Hydrogen Production: Milestone Completion Report; NREL/MP-560-36734;National Renewable Energy Laboratory, U.S. Department of Energy:Washington, DC, 2004, available atwww.nrel.gov/hydrogen/pdfs/36734.pdf.
5. Kroposki, B.; Levene, J.; Harrison, K.; Sen, P. K.; Novachek, F.Electrolysis: Information and Opportunities for Electric Power Utilities; NREL/TP-581-40605;National Renewable Energy Laboratory, U.S. Department of Energy:Washington, DC, 2006, available athttp://www.osti.gov/bridge.