Conclusion
This study presents a new research effort on integrating multimodal
transport (truck, single railcar and unit train) into a cellu
losic ethanol supply chain design. A multistage, mix-integer
programming model was developed to make integral and optimal
decisions on the supply chain planning and operations. Through
the case study of cellulosic ethanol supply chain design in California,
the significance of system components and interactions among
them were demonstrated. Compared with single-mode solution,
the multimodal solution makes the supply chain more adaptive
to feedstock seasonality, more cost effective, and more capable
handling policies on distance limits for biomass truck deliveries.
ConclusionThis study presents a new research effort on integrating multimodaltransport (truck, single railcar and unit train) into a cellulosic ethanol supply chain design. A multistage, mix-integerprogramming model was developed to make integral and optimaldecisions on the supply chain planning and operations. Throughthe case study of cellulosic ethanol supply chain design in California,the significance of system components and interactions amongthem were demonstrated. Compared with single-mode solution,the multimodal solution makes the supply chain more adaptiveto feedstock seasonality, more cost effective, and more capablehandling policies on distance limits for biomass truck deliveries.
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