“…The corresponding information on the locations, distance matrix, demands, and time windows of all the supermarket service nodes are shown in Appendices 1, 2, 3 and 4, respectively. The fixed costs of the vehicles, driver wages during normal work period, fuel cost, penalty cost of time-window violation, and CO 2 emissions tax charge are set to 100 CNY per shift, 15 CNY per hour, 7.59 CNY per liter, 10 CNY per hour, and 80 CNY per ton, respectively[ 49 ][ 50 ]. The wages of drivers during the nonworking hours are twice that during the normal work period.…”