Robust Optimization on Regional WCO-for-Biodiesel Supply Chain under Supply and Demand Uncertainties

Table 7

The proportion of cost and emission in each stage.

Index	⁢WCO procurement stage		⁢Biodiesel production stage		Biodiesel sales stage
	Cost	Emission	Cost	Emission	Cost	Emission
Maximum	81.59%	0.30%	25.43%	99.49%	0.95%	0.46%
Minimum	73.63%	0.16%	18.13%	99.31%	0.30%	0.21%