能源保障是中国全面建设小康社会重要的战略 问题。随着我国经济的不断发展,能源也越来越受到人们的重 视。为了使广大读者能够系统地了解新能源方面的知识,我们 约请中国工程院院士杜祥琬对几种主要的新能源在我国的发展 前景进行分析。 Energy security is an important strategic issue for China in building an overall well-to-do society. With the continuous development of economy in our country, energy is paid more and more attention by people. In order to enable readers to systematically understand the new energy aspects, we invite Du Xiangtao, an academician of the Chinese Academy of Engineering, to analyze the development prospects of several major new energy sources in China.