一九七三年十月中东战争引起资本主义世界能源危机后,日本政府于一九七四年编制了以开发研究新能源为主的《阳光计划》,其中煤的气化和液化是一项很重要的内容。日本重视煤的气化、液化是从对世界能源资源的全面分析考虑的。现在世界上能源供应,石油和天然气占很大比重。例如一九七七 After the Middle East war caused the energy crisis in the capitalist world in October 1973, the Japanese government prepared a “sunshine plan” based on research and development of new energy in 1974, in which coal gasification and liquefaction were Very important content. Japan’s emphasis on coal gasification and liquefaction is considered from the overall analysis of the world’s energy resources. Now the world’s energy supply, oil and natural gas account for a large proportion. For example, 1977