Since shanghai proclaimed "shanghai economy committee and municipal environment protecting bureau’s resolution on the clean energy substitution for the city\'s coal burning boilers and industrial furnaces " in July, 2001, the policy largely promotes the adjustment of the structure of the city\'s resources using and does great deal to improve the atmosphere quality.

On developing clean energy in Western China;

Base and Orientation of Sino-US Clean energy Pragmatic cooperation

Clean energy Development and China’s Energy strategy

Appraisement and selection of alternative energy technology in Laojunshan area of northwest Yunnan;

According to the medium and long term development of alternative energy sources and the situation of Shanxi province,based on resource advantages of rich low quality coal,coke oven gas and coal bed methane,the diversified development strategies of alt.

The Positive Demonstration of Energy Substitution in China:Based on the Revision of the Model of Allen Substitution;

The history of primary energy substitutions shows that every one of these transitions——from biomass fuels to coal,from coal to oil,from oil to natural gas——has brought tremendous benefits to society as a whole.

This paper discusses the reasons and causes why renewable energy could progressively substitute the conventional energy and the factors influencing the energy substitution procedure based on the economic analysis.