1. International energy outlook 2010;U.S. Energy Information Administration (EIA),2010
2. BP statistical review of world energy 2011;British Petroleum (BP),2011
3. China’s national climate change Programme;National Development and Reform Commission (NDRC),2007
4. The binding index convoy conflict for the energy-saving and emission reduction targets;Xinhuanet,2007
5. Mid-long term development plan for renewable energy;(NDRC) NDaRC,2007