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 DE-AT01-06EE11206, TO#18, Subtask 3 between the National Academy of Sciences and the U.S. Department of Energy. 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 agencies that provided support for the project.

Cover: Photos of a fuel cell vehicle and hydrogen fueling station courtesy of the U.S. Department of Energy.

Library of Congress Cataloging-in-Publication Data

National Research Council (U.S.). Committee on Assessment of Resource Needs for Fuel Cell and Hydrogen Technologies.

Transitions to alternative transportation technologies : a focus on hydrogen / Committee on Assessment of Resource Needs for Fuel Cell and Hydrogen Technologies, Board on Energy and Environmental Systems, Division on Engineering and Physical Sciences.

p. cm.

Includes bibliographical references.

ISBN 978-0-309-12100-2 (pbk.) — ISBN 978-0-309-12101-9 (pdf) 1. Fuel cell vehicles—Research—Government policy—United States. 2. Hydrogen as fuel—Research—Government policy—United States. I. Title.

TL221.13.N38 2008

629.′229—dc22

2008036579

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