| aeh2.org | Spanish Hydrogen Association |
| delphion.com | System for obtaining hydrogen and oxygen from water using solar energy (US405357 |
| sandia.gov | Sandia National Laboratories, California - Research Projects - Hydrogen |
| whitehouse.gov | Reliable, Affordable, and Environmentally Sound Energy for America's Future |
| unido-ichet.org | UNIDO-ICHET |
| bellona.no | Hydrogen in Norwegian Transportation |
| ahanw.org | American Hydrogen Association NW |
| phoenixproject.net | The Phoenix Project: Shifting to Hydrogen from Oil |
| mnes.nic.in | Hydrogen Energy |
| online.fr | The BingoFuel Project |
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