Foreword Introduction : environmental challenges and the post-fossil fuel era 3 1 The new geopolitics of oil 17 2 The future of energy : are we moving towards a hydrogen economy? 47 3 Energy policies in Asia 77 4 Energy policies in the European Union 109 5 Oil price volatility : supply, demand and speculation 133 6 Managing risk and uncertainty in the energy sector : towards economic diversification in the gulf 149 Concluding remarks 165