1. The chemical energy of hydrogen and oxygen is converted into electrical energy through the fuel cell system. No combustion is required during the whole process, and the only emission is water, which truly achieves pollution-free and zero emission.

2. The vehicle can cover all working conditions of sanitation and meet various power requirements. Compared with pure electric vehicles of the same type, it has obvious advantages in rated load, cruising range, refueling time, etc., and it also has reliable guarantees in vehicle driving safety, which is more suitable for continuous sanitation operations.

3. With the advantages of reasonable structure, simple operation, high efficiency, good sealing, etc., one vehicle can work with multiple garbage bins to improve the transportation capacity of the vehicle.

4. The car and the box can be completely separated, and the two can work separately. A car can be equipped with multiple boxes, and each box can be placed in different places to achieve circular transportation.