2015 1st Journal Conference on Clean Energy Technologies (JCCET 2015 1st) aims to provide a forum for researchers, pactitioners, and professinals from the industry, academia and government to discourse on research and development, professional practice in clean energy technologies. JCCET 2015 1st will be held in Florence, Italy during March 19-20, 2015. It is one of the leading international conferences for presenting novel and fundamental advances in the fields of clean energy technologies. It also serves to foster communication among researchers and practitioners working in a wide variety of scientific areas with a common interest in improving clean energy technologies related techniques.