1. Fuel cell and hydrogen energy association: transportation, /index.php?id=53 (accessed January 3, 2012).
2. 2010 Fuel cell technologies market report, June 2011, Department of Energy, /hydrogenandfuelcells/pdfs/2010_market_report.pdf (accessed January 3, 2012).
3. W.C. Leighty, B.P. Somerday, C. San Marchi, J. Holloway, M. Rupert, G. Kieth, D.E. White, Compressorless hydrogen transmission pipelines deliver large-scale stranded renewable energy at competitive cost, in: Proceedings of the Power-Gen International Conference, Las Vegas, NV, 2006.
4. C. Retzke, P. Mulard, M. Wenske, The ENERTRAG-Hybrid Power Plant, /docs/Meetings/Australia_5-09/Germany%20-%20Enertrag.pdf (accessed January 26, 2012).
5. L.C. Uson, I.A. Aguarta, L.R. Elu, E. Burkhalter, A. Hermosilla, Green hydrogen from wind and solar: design, construction and one year operation of the ITHER project, in: Proceedings of the 17th World Hydrogen Energy Conference, Brisbane, Australia, 2008, /docs/WHEC2008ITHER.pdf (accessed January 26, 2012).