1. Allinson G, Nguyen V (2003) CO2 geological storage economics. In: Gale J, Kaya Y (eds) Greenhouse gas control technologies. Proceedings of the 6th International Conference on Greenhouse Gas Control Technologies, Kyoto, Japan, October 1–4, 2002. Elsevier Science, Oxford, UK
2. Azar C, Lindgren K, Andersson BA (2000) Hydrogen or methanol in the transportation sector? Report no. KFB-Rapport 2000:35. KFB, Stockholm, Sweden
3. Azar C, Lindgren K, Andersson BA (2003) Global energy scenarios meeting stringent CO2 constraints: cost-effective fuel choices in the transportation sector. Energy Policy 31:961–976
4. Barreto L, Makihira A, Riahi K (2002) Medium- and long-term demand and supply prospects for fuel cells: the hydrogen economy and perspectives for the 21st century. Final report on the TEPCO-IIASA collaborative study. International Institute for Applied Systems Analysis, Laxenburg, Austria
5. Celia MA, Bachu S (2003) Geologic sequestration of CO2: is leakage unavoidable and acceptable? In: Gale J, Kaya Y (eds) Greenhouse gas control technologies. Proceedings of the 6th International Conference on Greenhouse Gas Control Technologies, Kyoto, Japan, October 1–4, 2002. Elsevier Science, Oxford, UK