Fig. 3.1.2.1 a. Hydrogen production system by coal gasification

Fig. 3.1.2.1 b. Hydrogen production system by natural gas reforming

Fig. 3.1.2.2 (1) Whole flow diagram of hydrogen supply system

Fig. 3.1.2.2 (2) Overall system flow diagram of hydrogen supply system for hydrogen diesel engine

Fig. 3.1.2.2 (3) Overall system flow diagram of hydrogen supply system to fuel cell

Fig. 3.1.2.2 (4) Overall system flow diagram of hydrogen supply system to hydrogen automobile

Fig. 3.1.2.3 Overall flow diagram of pipeline transportation system of hydrogen