Research on Green Transport Mode of Chinese Bulk Cargo Based on Fourth-Party Logistics

Table 14

Effect in bulk cargo transport networks of different sizes.

Network scale	4PL service	Transport mode	Integrated cost (yuan)	Cost optimization rate (%)	Carbon emissions (ton)	Carbon emission optimization rate (%)
Small	No	Road	187210	31.96	1020	80.39
		Railway	127330		200
	Yes	Road	198700	29.93	510
		Railway	139230		100
Medium	No	Road	540260	32.10	2920	79.45
		Railway	366820		600
	Yes	Road	546800	31.51	1460
		Railway	374520		300
Large	No	Road	1226300	32.79	6400	79.38
		Railway	824180		1320
	Yes	Road	1203100	32.80	3200
		Railway	808520		660