Chapter 1.Tomorrow's Energy, Renewables Alone?.- Chapter 2. Subsea pipeline hybrid thermal insulation with phase change material and aerogel - analysis and experiments.- Chapter 3. High pressure DME spray for compression ignition engines.- Chapter 4.Priority estimation model for renewable oils in biodiesel.- Chapter 5. A relationship for estimating the exergy of rice husk using LHV.- Chapter 6. The effects of geometry and substrate material on thermoelectric generator performance.