Green Supply Chain Network Design with Economies of Scale and Environmental Concerns

Table 9

Comparison based on different ratios of carbon tax.

CO2 emission tax; ()	Total cost ()	DC (Location size)	Environmental facility
0.05	1499815	D1 (600), D2 (600), D5 (1200), W6 (1200)	—
0.08	1515098	D1 (600), D2 (600), D5 (1200), W6 (1200)	—
0.1	1521970	D1 (1000), D5 (1200), W6 (1200)	P3
0.12	1531891	D1 (1200), D5 (1200), W6 (1200)	P2, P3
0.15	1541321	D1 (1000), D5 (1200), W6 (1200)	P2, P3
0.2	1560047	D1 (1000), D5 (1200), W6 (1200)	P1, P2, P3
0.3	1597018	D1 (1000), D5 (1200), W6 (1200)	P1, P2, P3
0.4	1632347	D2 (1200), D5 (1200), W6 (1200)	P1, P2, P3