The advantages and main problems of hydrogen fueled IC engine are introduced.Ideas to solve these problems which are excogitated by domestic and overseas as well as their principles are presented.

• 摘要介绍了氢燃发动机的优势和现阶段氢燃发动机本身存在的主要问题，国内外对解决或减轻这些问题的方法及其机理。