This report responds to a request from Senator Byron L. Dorgan for an analysis of the impacts on U.S. energy import
dependence and emission reductions resulting from the commercialization of advanced hydrogen and fuel cell technologies
in the transportation and distributed generation markets.

Contents	(complete Report)
Executive Summary
1. Introduction
Background
Report Organization
2. Hydrogen Economy Systems and Technology Review
Hydrogen Supply
Hydrogen Production
Hydrogen Transmission and Distribution
Hydrogen Dispensing
Hydrogen End Use Applications
Market Potential for Hydrogen in Distributed Generation
3. Energy and CO2 Emissions Impacts of Fuel Cell Vehicles
Fuel Cell Vehicle Market Penetration Scenarios
Fuel Cell Vehicle Fuel Economyy Scenarios
Impacts on Light-Duty Vehicle Direct Energy Use
4. Technological and Economic Challenges
Appendix A. Analysis Request Letter
Appendix B. Heat Content and Useful Conversions
Appendix C. Existing Hydrogen Production Capacity
Appendix D. Operational Hydrogen FCVs
Appendix E. Carbon Dioxide Emissions Scenarios
Appendix F. Technology Learning and Market Penetration
Appendix G. FCVs and the Market for Platinum