The formation of residues in the auto-LPG fuel system is one of the main obstacles in the application of LPG as vehicular fuel.

• 对车用液化石油气气路系统中堵塞物的研究结果表明,蒸发器上的残留物主要是酯类、醚类、正构烷烃、单质硫和硫化铜粉末。