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(a) Weights of the sub-criteria variables: A1—climate change, A2—ozone depletion, A3—photochemical oxidant formation, A4—particulate matter, A5—terrestrial ecotoxicity, A6—fossil depletion; (b) A7—storage efficiency, A8—ΔTeff.
| a | A1 | A2 | A3 | A4 | A5 | A6 |
| A1 | A | 3 | 4 | 4 | 5 | 2 |
| A2 | 1/3 | 1 | 2 | 2 | 3 | 1/2 |
| A3 | 1/4 | 1/2 | 1 | 1 | 2 | 1/3 |
| A4 | 1/4 | 1/2 | 1 | 1 | 2 | 1/3 |
| A5 | 1/5 | 1/3 | 1/2 | 1/2 | 1 | 1/4 |
| A6 | 1/2 | 2 | 3 | 3 | 4 | 1 |
| b | A7 | A8 | ||||
| A7 | 1 | 3 | ||||
| A8 | 1/3 | 1 | ||||
