The fleet size and mix pollution-routing problem

Çağrı Koç, Tolga Bektaş, Ola Jabali and Gilbert Laporte

Transportation Research Part B: Methodological, 2014, vol. 70, issue C, 239-254

Abstract: This paper introduces the fleet size and mix pollution-routing problem which extends the pollution-routing problem by considering a heterogeneous vehicle fleet. The main objective is to minimize the sum of vehicle fixed costs and routing cost, where the latter can be defined with respect to the cost of fuel and CO2 emissions, and driver cost. Solving this problem poses several methodological challenges. To this end, we have developed a powerful metaheuristic which was successfully applied to a large pool of realistic benchmark instances. Several analyses were conducted to shed light on the trade-offs between various performance indicators, including capacity utilization, fuel and emissions and costs pertaining to vehicle acquisition, fuel consumption and drivers. The analyses also quantify the benefits of using a heterogeneous fleet over a homogeneous one.

Keywords: Vehicle routing; Fuel consumption; CO2 emissions; Heterogeneous fleet; Evolutionary metaheuristic (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (69)

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DOI: 10.1016/j.trb.2014.09.008

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