Being a good quality and clean raw material, natural gas takes proportion of 24.7% above in the world energy consumption structure, and it becomes the third kind of energy behind petroleum and coal.

• 天然气作为一种优质的清洁原料在世界能源消费结构中的比例已达24.；7%25以上；成为仅次于石油和煤炭的世界第三大能源。