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An aggregated life cycle sustainability index 389

3 Conclusions

This chapter shows the feasibility of using life cycle aggregated sustainability
index method developed by Ren (2018) to prioritize the alternative biofuel
production pathways by aggregating all the criteria into a single sustainability
index, three biofuel production pathways including wheat-, corn-, and
cassava-based pathways for bioethanol production were studied to illustrate
how to determine the life cycle aggregated sustainability index, and the
results are consistent to that determined by the combination of LCSA and
MCDA method. To some extent, it reveals that the life cycle aggregated
sustainability index method is feasible for prioritizing alternative biofuel pro-
duction pathways.

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