The sustainable routing problem
by Maurizio Faccio; Alessandro Persona; Giorgia Zanin
International Journal of Services and Operations Management (IJSOM), Vol. 16, No. 3, 2013

Abstract: Nowadays environmental, social, and political pressures to limit the impacts linked to CO₂ emissions are rapidly increasing. This paper aim at the solution of a new class of A routing problem: the sustainable routing problem, where the objective, unlike the classical approaches, is the CO₂ emission minimisation. The amount of CO₂ emitted by a vehicle depends on different factors. If the problem is analysed from the driver's point of view, these factors can be divided into 'internal', i.e., directly related to him/her (i.e., driving style, acceleration, average speed, route knowledge, etc.), and into 'external', i.e., depending on the environment in which the trip is made (i.e., traffic congestion, speed limits, vehicle type, etc.). Firstly the paper, starting from Fonseca et al. (2011) study, proposes a CO₂ emission estimation as function of the different internal/external factors. Secondly, the authors formalise a sustainable routing model, validating it through a case study as well as a parametric analysis. The results suggest that, contrary to the classical vehicle routing problem, the proposed model allows a larger reduction of CO₂ emission versus the increasing time and distance, suggesting interesting potentials in the environmental preservation.

Online publication date: Wed, 02-Jul-2014

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