1. Conference report, Basic Research needs for vehicles of the Future, New Orleans, January 5–7 1997.
2. J. S. Cannon, Harnessing Hydrogen, The Key to Sustainable Transportation, Inform, 1995.
3. J. Corless and J. A. Barclay, in Advances in Cryogenic Engineering vol 41b, P. Kittel ed., pl033 (1995).
4. De Luchi, Hydrogen Fuel Cell Vehicles, Institute of Transportation Studies, University of California at Davis, 1992.
5. The storage densities cited in the text are for BMW (LH2), Daimler-Benz (NECAR II, compressed hydrogen gas) and Mazda-Myata (metal hydrides).