Reducing fuel emissions by optimizing speed on shipping routes

K Fagerholt, G Laporte () and I Norstad
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K Fagerholt: Norwegian University of Science and Technology
G Laporte: Canada Research Chair in Distribution Management, HEC
I Norstad: Norwegian University of Science and Technology

Journal of the Operational Research Society, 2010, vol. 61, issue 3, 523-529

Abstract: Abstract Fuel consumption and emissions on a shipping route are typically a cubic function of speed. Given a shipping route consisting of a sequence of ports with a time window for the start of service, substantial savings can be achieved by optimizing the speed of each leg. This problem is cast as a non-linear continuous program, which can be solved by a non-linear programming solver. We propose an alternative solution methodology, in which the arrival times are discretized and the problem is solved as a shortest path problem on a directed acyclic graph. Extensive computational results confirm the superiority of the shortest path approach and the potential for fuel savings on shipping routes.

Keywords: shipping routes; fuel emissions; speed optimization; shortest paths (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (80)

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DOI: 10.1057/jors.2009.77

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