Analysis of the Current Situation of Urban Transportation Energy Supply Network

As of 2021, the number of gas stations in China is 119,000, as shown in Fig. 2.1. It is mainly divided into three categories: state-owned enterprises, private enterprises, and foreign enterprises. State-owned enterprises’ gas stations are represented by “three barrels of oil”. Sinopec has 30,713 gas stations, CNPC has 22,619 gas stations, CNOOC has more than 800 gas stations, and CNPC has more than 600 gas stations, and “three barrels of oil” accounts for about 55.6% of the number of gas stations in the country.