nologies. Chapter 2 describes fundamentals of determining vehicle fuel consumption, tests for regulating fuel economy, and basic energy balance concepts, and it discusses why this report presents primarily fuel consumption data. Chapter 3 describes cost estimation for vehicle technologies, including methods for estimating the costs of a new technology and issues related to translating those costs into impacts on the retail price of a vehicle. Chapters 4 through 7 describe technologies for improving fuel consumption in spark-ignition gasoline engines (Chapter 4), compression-ignition diesel engines (Chapter 5), and hybrid-electric vehicles (Chapter 6). Chapter 7 covers non-engine technologies for reducing light-duty vehicle fuel consumption. Chapter 8 provides a basic overview of and discusses the attributes of two different approaches for estimating fuel consumption benefits—the discrete approximation and the full-system simulation modeling approaches. Chapter 9 provides an estimate of the costs and the fuel consumption benefits of multiple technologies for an array of vehicle classes. The appendixes provide information related to conducting the study (Appendixes A through C), a list of the acronyms used in the report (Appendix D), and additional information supplementing the individual chapters (Appendixes E through K).


NRC (National Research Council). 2002. Effectiveness and Impact of Corporate Average Fuel Economy (CAFE) Standards. Washington, D.C.: National Academy Press.

NRC. 2008. Interim Report of the Committee on the Assessment of Technologies for Improving Light-Duty Vehicle Fuel Economy. Washington, D.C.: The National Academies Press.

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