FrontMatter -- DEDICATION-Dr. Patrick Flynn -- Acknowledgments -- Contents -- Summary -- 1 Introduction -- 2 Fundamentals of Fuel Consumption -- 3 Cost Estimation -- 4 Spark-Ignition Gasoline Engines -- 5 Compression-Ignition Diesel Engines -- 6 Hybrid Power Trains -- 7 Non-Engine Technologies -- 8 Modeling Improvements in Vehicle Fuel Consumption -- 9 Application of Vehicle Technologies to Vehicle Classes -- Appendixes -- Appendix A: Committee Biographies -- Appendix B: Statement of Task -- Appendix C: List of Presentations at Public Committee Meetings -- Appendix D: Select Acronyms -- Appendix E: Comparison of Fuel Consumption and Fuel Economy -- Appendix F: Review of Estimate of Retail Price Equivalent Markup Factors -- Appendix G: Compression-Ignition Engine Replacement for Full-Size Pickup/SUV -- Appendix H:Other NRC Assessments of Benefits, Costs, and Readiness of Fuel Economy Technologies -- Appendix I: Results of Other Major Studies -- Appendix J: Probabilities in Estimation of Fuel Consumption Benefits and Costs -- Appendix K: Model Description and Results for the EEA-ICF Model.