1.91 yuan per kilometer. If No.95 gasoline is added, the current oil price is 9.21 yuan per L, then the oil cost per kilometer is 9.21 yuan per L multiplied by 1.22L, which is equal to 2.1262 yuan, that is, about 2.13 yuan per kilometer. Comprehensive fuel consumption refers to the fuel consumption of vehicles traveling at a certain speed of 111 kilometers on the road. It is the theoretical index of the vehicle.