1. Impact of the California clean air act;Van Vorst;International Journal of Hydrogen Energy,1997
2. Fuel options for the fuel cell vehicle: hydrogen, methanol or gasoline?;Thomas;International Journal of Hydrogen Energy,2000
3. Pembina Institute for Appropriate Development. Climate-friendly hydrogen fuel: a comparison of the life-cycle greenhouse gas emissions for selected fuel cell vehicle hydrogen production systems. Report written with support from The David Suzuki Foundation, March 2000. 44p.
4. Fairlie MJ, Scott PB. Filling up with Hydrogen 2000. In: Proceedings of the 1999 US Department of Energy Hydrogen Program Review. Document No. NREL/CP-570-26938, 1999.
5. Norsk Hydro web site: www.electrolysers.com