Samuel R Schubert is Assistant Professor of International Relations at Webster University (Vienna), Austria, and has published widely in the areas of EU, US and UK energy policy, EU-Russian energy relations, and the effects of energy-resource wealth on state stability. Johannes Pollak is Professor of International Relations at Webster University (Vienna), Austria, and Head of the Political Science Department, Institute for Advanced Studies (Vienna), Austria. Maren Kreutler is a researcher in the Department of Political Science, Institute for Advanced Studies (Vienna), Austria, and Lecturer in Comparative Politics at the University of Bochum, Germany..

• Introduction1. The EU's Energy Portfolio2. Principles of Energy, End Uses and the Global Energy Balance3. The Changing Nature of EU Energy Policy: Theory and Milestones4. Who Does What? The Main Actors5. Building a Common Internal Energy Market6. Climate Change, Energy Efficiency, and the Quest to Expand the Use of Renewable Energy Sources7. External Energy Politics8. Policy Challenges on the Horizon9. References.

Samuel R Schubert is Assistant Professor of International Relations at Webster University (Vienna), Austria, and has published widely in the areas of EU, US and UK energy policy, EU-Russian energy relations, and the effects of energy-resource wealth on state stability. Johannes Pollak is Professor of International Relations at Webster University (Vienna), Austria, and Head of the Political Science Department, Institute for Advanced Studies (Vienna), Austria. Maren Kreutler is a researcher in the Department of Political Science, Institute for Advanced Studies (Vienna), Austria, and Lecturer in Comparative Politics at the University of Bochum, Germany..

• Introduction1. The EU's Energy Portfolio2. Principles of Energy, End Uses and the Global Energy Balance3. The Changing Nature of EU Energy Policy: Theory and Milestones4. Who Does What? The Main Actors5. Building a Common Internal Energy Market6. Climate Change, Energy Efficiency, and the Quest to Expand the Use of Renewable Energy Sources7. External Energy Politics8. Policy Challenges on the Horizon9. References.

Samuel R Schubert is Assistant Professor of International Relations at Webster University (Vienna), Austria, and has published widely in the areas of EU, US and UK energy policy, EU-Russian energy relations, and the effects of energy-resource wealth on state stability. Johannes Pollak is Professor of International Relations at Webster University (Vienna), Austria, and Head of the Political Science Department, Institute for Advanced Studies (Vienna), Austria. Maren Kreutler is a researcher in the Department of Political Science, Institute for Advanced Studies (Vienna), Austria, and Lecturer in Comparative Politics at the University of Bochum, Germany..

• Introduction1. The EU's Energy Portfolio2. Principles of Energy, End Uses and the Global Energy Balance3. The Changing Nature of EU Energy Policy: Theory and Milestones4. Who Does What? The Main Actors5. Building a Common Internal Energy Market6. Climate Change, Energy Efficiency, and the Quest to Expand the Use of Renewable Energy Sources7. External Energy Politics8. Policy Challenges on the Horizon9. References.