Preface vii

Abbreviations xi

1 Introduction: From Local Impacts to Global Change 1

2 The Global Demand for Passenger Travel 23

3 Greenhouse Gas Emission Implications of Travel Demand 67

4 Road Vehicle Technology 103

5 Aircraft Technology 141

6 Alternative Transportation Fuels 161

7 Policy Measures for Greenhouse Gas Mitigation 221

8 Future Prospects and Policy Choices 257

Notes 273

References 313

Index 331