『Abstract
　This paper for the first time systematically examines the heavy duty gas turbine (HDGT) industry in the context of developing countries. It provides a comparative analysis of the HDGT industries in Iran, India and China. It contrasts their national strategies, the historical development of their technological capabilities, the similarities and differences in approach, the varying evolutionary paths and policy drivers and the reasons for their differing outcomes. This paper argues that a high level of state involvements is a prominent feature of HDGT industries in developing countries. It also argues that the development and evolution of the HDGT industries in these countries is closely interrelated with the countries' national energy policies. It clarifies why such a advanced and sophisticated industry is a strategic choice in one country, while it is seen as an inferior choice in another.

Keywords: Gas turbine; Energy policy; Policy driver』

1. Introduction
2. The HDGT industry in Iran, India and China
　2.1. Iranian companies
　2.2. Indian companies
　2.3. Chinese companies
3. Policy drivers in the triad
　3.1. Policy drivers in the Iranian context
　3.2. Policy drivers in the Indian context
　3.3. Policy drivers in the Chinese context
4. Common and specific aspects of the HDGT industry in the triad
5. Conclusions
Acknowledgments
References