Dimethyl ether is the ideal substitute fuel for diesel motor.It can be synthesized from natural gas and coal.The synthetic methods of one step and two steps are summarized.

• 二甲醚是柴油发动机理想的替代燃料,可以由天然气和煤为原料合成制取。综述了二甲醚的两种合成工艺:一步法和二步法。