b/ Through the program's activities, to achieve the specific target of total saved energy amount, reduce part of development investment for the energy supply system and bring about socio-economic benefits while contributing to environmental protection, rational exploitation of natural energy resources and sustainable socio-economic development. To strive to save 3-5% of the total energy amount consumed nationwide in the 2006-2010 period and 5-8% in the 2011-2015 period compared with the current energy and socio-economic development forecasts according to normal development plans, with the following specific contents: a/ To develop and put into effective operation models of management of economical and efficient use of energy, applicable to state management, management within enterprises, within buildings and in social life: