TAILIEUCHUNG - ASSESSMENT OF FUEL ECONOMY TECHNOLOGIES FOR LIGHT-DUTY VEHICLES

The impacts of fuel consumption by light-duty vehicles are profound, influencing economic prosperity, national security, and Earth’s environment. Increasing energy efficiency has been a continuing and central objective for automobile manufacturers and regulators pursuing objectives that range from reducing vehicle operating costs and improving performance to reducing dependence on petroleum and limiting greenhouse gas emissions. Given heightened concerns about the dangers of global climate change, the needs for energy security, and the volatility of world oil prices, attention has again been focused on reducing the fuel consumption of light-duty vehicles. A wide array of technologies and approaches exist for reducing fuel consumption. These improvements range from relatively minor changes with low costs and small fuel consumption. | ASSESSMENT OF FUEL ECONOMY TECHNOLOGIES FOR LIGHT-DUTY VEHICLES Committee on the Assessment of Technologies for Improving Light-Duty Vehicle Fuel Economy Board on Energy and Environmental Systems Division on Engineering and Physical Sciences THE NATIONAL ACADEMIES Adviietỉ to the Notion on Science ingineecing and Medicine NATIONAL RESEARCH COUNCIL OF THE NATIONAL ACADEMIES THE NATIONAL ACADEMIES PRESS Washington . THE NATIONAL ACADEMIES PRESS 500 Fifth Street . Washington DC 20001 NOTICE The project that is the subject of this report was approved by the Governing Board of the National Research Council whose members are drawn from the councils of the National Academy of Sciences the National Academy of Engineering and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance. This study was supported by Contract No. DTNH22-07-H-00155 between the National Academy of Sciences and the Department of Transportation. Any opinions findings conclusions or recommendations expressed in this publication are those of the author s and do not necessarily reflect the views of the organizations or agency that provided support for the project. International Standard Book Number-13 978-0-309-15607-3 International Standard Book Number-10 0-309-15607-6 Library of Congress Control Number 2011927639 Copies of this report are available from the National Academies Press 500 Fifth Street . Lockbox 285 Washington DC 20055 800 624-6242 or 202 334-3313 in the Washington metropolitan area Internet http . Copyright 2011 by the National Academy of Sciences. All rights reserved. Printed in the United States of America THE NATIONAL ACADEMIES Advisers to the Nation on Science Engineering and Medicine The N ational Academy of Sciences is a private nonprofit self-perpetuating society of distinguished scholars engaged in scientific and engineering research dedicated

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