United States Department of Transportation
i
Effective and equitable supply of gasoline to impacted areas in the aftermath of a natural disaster : final report.
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2016-02-01
[PDF-3.49 MB]
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Edition:Final report
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Abstract:The focus of this project was on supplying gasoline after a natural disaster. There were two aspects
for this work: determination of which gas stations should be provided with generators (among those that do
not have electric power) and determination of a delivery scheme that accounts for increased demand due to
lack of public transportation and considerations such as equity. A Mixed-Integer Mathematical formulation
was developed for this situation. Two case studies based on Hurricane Sandy in New Jersey are developed and
solved in CPLEX.
This project utilized the limited supply of back-up generators and optimized the generators
assignment and truck deliveries to the gas stations to achieve maximum gasoline delivery, while ensuring
equity factor across the different regions. The model works effectively to locate generators to gas stations
and assigns delivery trucks to gas stations. Via the New Jersey 2 -county case study our study shows that
different combinations of two types of trucks can affect the performance significantly. Different input
parameters, e.g. available resource, number of generators, equity parameter affect the deliverable results.
From the large case-study we conclude that our model is quite efficient and useful to manage gasoline
delivery in the aftermath o f a natural disaster.
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