Jia Fusheng, director of the National Energy Conservation Center said on a Promotion of building energy conservation technology that, building and transportation energy consumption are the main areas of urbanization energy consumption. Building energy consumption keeps increasing due to the fast development of economy and urbanization. The building energy consumption grows by 9.1% annually from 2000 to 2010, and accounts for over 20% of the national energy consumption. Industrialization is the most potential sector in present energy conservation, while urbanization is the most potential one in the future.