ICCE-2015 is a multi–disciplinary international conference on the clean energy sources and technologies, and will provide a forum for the exchange of latest technical information, the dissemination of the high-quality research results on the issues, the presentation of the new developments in the area of clean energy, and the debate and shaping of future directions and priorities for better environment, sustainable development and energy security. The primary theme of the conference is clean energy, not only in engineering and science but also in all other disciplines (e.g. ecology, education, social sciences, economics, management, political sciences, and information technology). Therefore, papers on related topics are solicited from all relevant disciplinary areas, ranging from current problems, projections, new concepts, modeling, experiments and measurements, to simulations.The topical areas of interest include, but are not limited to: