The 2013 International Conference on Energy (Energy2013) is a multidisciplinary international conference that provides a platform for scientists, engineers and other researchers from all over the world to share their ideas and present solutions to sustainable and environmental friendly energy issues. It includes a selection of 64 papers from 185 papers submitted to the conference from universities and industries all over the world. The organizing committee also believes this proceeding would be a good reference for academic researchers and industrial professionals in the fields of energy management, energy policy making, energy technologies and environment.