通过对国际可再生能源研发的重点，第二、三代生物乙醇的研发动向，以及对生物天然气和生物质颗粒燃料异军突起的背景分析，反映出生物能源研发的总体状况和发展趋势。

This paper reviewed the research priorities, advances of tapping the second and the third generation biofuel as well as the backgrounds of fast growing of two bioenergy industries, that is pellet biomass fuel and biomethane. An overall picture of exploration efforts on bioenergy by international community was given.

朱万斌（1977―），男，湖北房县人，博士，中国农业大学讲师，研究方向为生物质能源工程