The Assessment of Hydrogen Energy Systems for Fuel Cell Vehicles Using Principal Component Analysis and Cluster Analysis

Table 3

The standard transformed data of the 11 scenarios.

Aspect	Environment								Economic	Energy
Criterion	SO2	CO2	NO𝑥	CO	CH4	dust	Waste water	Waste solids	Costs	Energy
Option 1	0.8279	1.2277	0.7810	−1.0403	−0.8266	0.9261	0.7962	0.7964	1.1651	0.2560
Option 2	0.8726	1.2834	0.8970	−0.4217	−0.8266	0.9649	0.8436	0.8438	0.0581	0.2928
Option 3	0.3417	0.6114	0.3166	−0.1125	−0.8731	0.4946	0.3100	0.3094	0.7185	0.1073
Option 4	0.2328	0.5088	0.2004	−1.3496	−0.8266	0.4049	0.2096	0.2096	−0.0292	0.0931
Option 5	0.4905	−0.0779	0.5172	0.8154	0.8435	0.6783	0.5172	0.5169	0.5492	−0.2145
Option 6	0.4808	−0.0868	0.5698	1.4339	0.8435	0.6697	0.5122	0.5119	−0.6394	−0.1942
Option 7	−0.0152	−0.7355	0.0316	1.7432	0.8435	0.2331	0.0163	0.0149	0.0752	−0.3772
Option 8	−0.1146	−0.7987	−0.0739	0.5061	0.8435	0.1507	−0.0755	−0.0760	−0.6540	−0.3772
Option 9	−1.9201	−1.4373	−1.9312	−0.4217	0.8435	−1.5074	−1.9294	−1.9291	−2.3330	2.4209
Option 10	−1.9201	−1.4375	−1.9312	−0.4217	0.8435	−1.5074	−1.9297	−1.9294	−0.1415	−1.8939
Option 11	0.7237	0.9425	0.6227	−0.7310	−1.7083	−1.5074	0.7296	0.7315	1.2310	−0.1131