FrontMatter -- Foreword -- Preface -- Acknowledgment of Reviewers -- Contents -- Summary -- 1 Energy Use in Context -- 2 Energy Efficiency in Residential and Commercial Buildings -- 3 Energy Efficiency in Transportation -- 4 Energy Efficiency in industry -- 5 Overarching Findings and Lessons Learned from Federal and State Energy Efficiency Policies and Programs -- Appendixes -- Appendix A: America's Energy Future Project -- Appendix B: Panel Biographical Information -- Appendix C: Presentations and Panel Meetings -- Appendix D: Definitions of Energy Efficiency -- Appendix E: Estimating the Net Costs and Benefits of Energy Savings -- Appendix F: Equivalences and Conversion Factors -- Appendix G: Acronyms and Abbreviations.