Optimization of a container vessel fleet and its propulsion plant to articulate sustainable intermodal chains versus road transport

Martínez-López, Alba; Sobrino, Pilar Caamaño; González, Manuel Chica; Trujillo, Lourdes

doi:10.1016/j.trd.2017.12.021

Cited by 17 publications

(11 citation statements)

References 24 publications

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“…Despite the fact that the model assumes Ro-Ro vessels' configuration to be a fixed parameter, it evaluates not only seaborne and road haulage but also the train option. Likewise, the work carried out by Martínez-López et al [17,18,30] defined multi-objective models to evaluate the competitiveness of intermodality versus the road alternative for a particular MoS through the determination of an optimal fleet based on time, cost, and the most suitable kind of vessel (Ro-Ro or container vessel: [17]. The latter model was introduced with additional objective functions (external costs: [18] and additional capacities (the definition of the most suitable propulsion plant, fuels, and abatement systems: [30].…”

Section: Literature Reviewmentioning

confidence: 99%

“…Therefore, very few studies were identified from the search. Among them, two are notable due to their high capacities: the models published by Baykasoglu and Subulan [29] and Martínez-López et al [17,18,30]. All of the aforementioned models tackle competitiveness between intermodality through MoS and trucking through multiobjective approaches.…”

Section: Literature Reviewmentioning

confidence: 99%

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A multi-objective mathematical model to select fleets and maritime routes in short sea shipping: a case study in Chile

Martínez-López

2020

J Mar Sci Technol

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This paper proposes a mathematical model for intermodal chains with seaborne transport, in which the optimization of a multi-objective model enables conflicting objectives to be handled simultaneously. Through the assessment of 'door-to-door' transport in terms of costs, time, and environmental impact, the most suitable maritime route and the optimized fleet are jointly proposed to maximize the opportunities for success of intermodal chains versus trucking. The NSGA-II algorithm is applied to resolve the model. The Pareto fronts obtained not only permit decision-making in the short-term but also enable long-term strategies to be defined according to the behaviour of these frontiers when sensitivity analysis is undertaken. A real-life case in Chile is studied to test the usefulness of the model. Aside from identifying the most suitable Motorway of the Sea with its optimized fleet for Chile, the application case has provided several significant findings to promote the intermodal option regardless of its location.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Literature Reviewmentioning

confidence: 99%

A multi-objective mathematical model to select fleets and maritime routes in short sea shipping: a case study in Chile

Martínez-López

2020

J Mar Sci Technol

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“…The analysis considers the fleets shown in Table 1; optimized container vessel (capacity to 185 reefer container) [20] and conventional Ro-Pax vessels by operating both of them under SSS conditions. The focus is on the vessels' electricity balance, with the most demanding operational stage being maneuvering.…”

Section: Practical Case Studymentioning

confidence: 99%

Assessment of Cold Ironing and LNG as Mitigation Tools of Short Sea Shipping Emissions in Port: A Spanish Case Study

2021

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By the end of 2025 European ports are required to provide (Directive 2014/94/EU) facilities to ensure the Liquefied Natural Gas (LNG) use and on-shore electricity supply for vessels (Cold Ironing—CI). Even though this involves considerable port investment, many uncertainties about CI and LNG performance exist because their application depends on vessel operators’ willingness. Additionally, lag times for CI connection/disconnection along with methane emissions from LNG undermine their feasibility for Short Sea Shipping (SSS). Since, among the SSS aims are the reduction in berthing times and its effectiveness for inter-islands’ traffic where, land electricity grids are frequently dependent on the fuel burning generation by penalizing the CI performance. This paper introduces a calculation method to evaluate the pollution savings in monetary terms by CI and LNG use in SSS. The method is applied to three European routes by testing the environmental performance of two fleets: feeder and Ro-Pax vessels. The results show that feeders reach higher environmental improvements by using port mitigation than Ro-Pax vessels. Additionally, the need for ensuring the sustainability of on-shore grids before the CI implementation was evinced, especially in insularity frameworks, where the environmental benefits from LNG use proved to be more effective.

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“…From a wider perspective, it can be inferred that studies about intermodal transport based on the resolution of optimization models through heuristics are very scarce [6], especially taking into account the development of multi-objective models and the analysis of Pareto fronts. Among them, two are remarkable due to their high capacities: the models published by Baykasoglu and Subulan (2016) [32] and Martínez-López et al (2015, 2016 and 2018) [19,20,33]. All of them tackle the competitiveness between intermodality through MoS and trucking through multi-objective approaches.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Despite the fact that the model assumes Ro-Ro vessels' configuration to be a fixed parameter, it evaluates not only the seaborne and road haulage but also the train option. Likewise, the work carried out by Martínez-López et al (2015, 2016 and 2018) [19,20,33] defined multi-objective models to evaluate the competitiveness of intermodality versus the road alternative for a particular MoS in the EU context through the determination of an optimal fleet based on the time, the cost, and the most suitable kind of vessel (Ro-Ro or container vessel [19]). The latter model introduced environmental costs as an additional objective function [20] and additional capacities about the selection of the most suitable propulsion plant, fuels, and abatement systems for the vessels [33].…”

Section: Literature Reviewmentioning

confidence: 99%

Joint Optimization of Routes and Container Fleets to Design Sustainable Intermodal Chains in Chile

Martínez-López

Chica

2020

Sustainability

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This paper introduces a decision support tool for sustainable intermodal chains with seaborne transport, in which the optimization of a multi-objective model enables conflicting objectives to be handled simultaneously. Through the assessment of ‘door-to-door’ transport in terms of costs, time, and environmental impact, the most suitable maritime route and the optimized fleet are jointly calculated to maximize the opportunities for success of intermodal chains versus trucking. The resolution of the model through NSGA-II algorithms permits to obtain Pareto fronts that offer groups of optimized solutions. This is not only useful to make decisions in the short term, but also to establish long-term strategies through assessment of the frontiers’ behavior obtained when a sensitivity analysis is undertaken. Thus, consequences of transport policies on intermodal performance can be analyzed. A real-life case is studied to test the usefulness of the model. From the application case, not only the most suitable Motorway of the Seas with their optimized fleets are identified for Chile, but also significant general findings are provided for both policy makers and heads of ports to promote the intermodal option regardless of their geographical locations.

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Optimization of a container vessel fleet and its propulsion plant to articulate sustainable intermodal chains versus road transport

Cited by 17 publications

References 24 publications

A multi-objective mathematical model to select fleets and maritime routes in short sea shipping: a case study in Chile

A multi-objective mathematical model to select fleets and maritime routes in short sea shipping: a case study in Chile

Assessment of Cold Ironing and LNG as Mitigation Tools of Short Sea Shipping Emissions in Port: A Spanish Case Study

Joint Optimization of Routes and Container Fleets to Design Sustainable Intermodal Chains in Chile

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