1) California Energy Commission., Hydrogen and Future Energy Sources, Energy Quest, http://www.energyquest.ca.gov/story/chapter20.html

2) Alice Friedemann, Sept 2004, The Hydrogen Economy – Energy and Economic Black Hole, http://www.culturechange.org/alt_energy.htm

3) Martin I.Hoffert, et al, Advanced Technology Paths to Global Climate Stability: Energy for a Greenhouse Planet, SCIENCE VOL 298 1 November 2002

4) D.Simbeck and E.Chang – Hydrogen Supply: Cost Estimate for Hydrogen Pathways – Scoping Analysis- National Renewable Energy Lab http://www.nrel.gov/docs/fy03osti/32525.pdf

5) Joseph J. Romm, 2004, The Hype About Hydrogen: Fact & Fiction in the Race to Save the Climate, Island Press

6) Ibid

7) Ibid

8) NASA, 2003, Rocks in your Gas Tank http://science.nasa.gov/headlines/y2003/17apr_zeolite.htm

9) Wade A. Amos, Costs of Storing and Transporting Hydrogen, U.S. Department of Energy Energy Efficiency and Renewable Energy, http://www.eere.energy.gov/hydrogenandfuelcells/pdfs/25106.pdf

10) Joseph J. Romm, 2004, The Hype About Hydrogen: Fact & Fiction in the Race to Save the Climate, Island Press

11) Ibid

12) Ulf Bossel and Baldur Eliasson, 2003, Energy and the Hydrogen Economy

13) Electric Drive Transportation Association, Cold Weather Testing of Hydrogen Bus Completed http://www.electricdrive.org/index.php?tg=articles&idx=Print&topics=64&article=657

14) New Flyer Industries, 2007, New Flyer Awarded BC Transit Fuel Cell Bus Order, http://www.newflyer.com/index/news-app/story.49

15) Manitoba Science, Technology, Energy and Mines, Energy Initiatives: Hydrogen, http://www.gov.mb.ca/est/energy/hydrogen/index.html