Front Matter -- Acknowledgments -- Contents -- Tables and Figures -- Executive Summary -- 1 Introduction -- 2 Development of Vehicle Subsystems -- 3 Systems Analysis -- 4 Technology Selection for Concept Vehicles -- 5 Fuel Strategy -- 6 Major Crosscutting Issues -- 7 PNGV's Response to the Phase 3 Report -- References -- APPENDIX A Biographical Sketches of Committee Members -- APPENDIX B Letters from PNGV -- APPENDIX C Statement of Task and Related Letters from PNGV -- APPENDIX D Committee Meetings and Other Activities -- APPENDIX E United States Council for Automotive Research (USCAR) Consortia -- APPENDIX F The PNGV Technology Selection Announcement -- Acronyms.