Optimizing Product Configuration Problems with Multisourcing Supplier Selections under Both Carbon Cap and Carbon Tax Regulations
Table 5
Configuration results.
Module
Instance
Configuration (carbon cap)
Configuration (carbon tax)
Module selection
Purchase amount
Module selection
Purchase amount
P1
P2
P3
S1
S2
P1
P2
P3
S1
S2
Extra fuel pump
HP
+
0
100
+
0
100
NP
+
+
51
149
+
+
50
150
Drill attachment
LDA
+
0
100
+
+
50
150
HDA
+
+
50
150
+
0
100
Rock drill
HL500
+
0
100
+
0
100
HL600
+
0
100
+
0
100
HL700
+
0
100
+
0
100
Track module
N
+
+
200
200
+
+
200
200
T
+
0
200
+
0
200
Tank
USA
+
0
100
+
0
100
EURO
+
0
100
+
0
100
AUS
+
61
39
+
0
100
Air conditioner
AC5
+
+
+
150
150
+
+
+
150
150
AC6
0
0
0
0
Engine
S
0
0
+
0
100
W
+
+
50
150
+
+
50
150
R
+
0
100
0
0
Total configuration cost ($)
179696.7
170871.9
Carbon emission amount (kgCO2-e)
94992
99870
Note: (1) “P1,” “P2,” and “P3” represent the configured products for order 1, order 2, and order 3, respectively. (2) “S1” and “S2” represent supplier 1 and supplier 2, respectively. (3) The symbol “+” denotes the selection of a module instance in a configuration.