Sustainable and integrated rail operations planning for grain exports

Carlos Henrique Fernandes de Faria, Luiz Ricardo Pinto, João Flávio Freitas de Almeida and Allan Messeder Caldas Bretas

Journal of Simulation, 2024, vol. 18, issue 6, 1076-1093

Abstract: The grain export in Brazil is operated by several players and regulated by a few governmental agencies. Although players have particular interests, sustainability is an increasing concern that poses a common challenge to rail operations: reducing CO2 emissions. This work proposes a simulation-optimisation approach for assigning trains to routes in a complex queuing system, minimising CO2 emissions of the country-wide rail operations without compromising the delivery of planned volume exports. The model considers a multi-modal logistic system, i.e., terminals, railways, and ports integrated into a closed circuit. The computational experiments using real-world data of 2021 reveal that the CO2 emissions could be reduced by 5.32 kilo tons and still increase the grain export by 2.20% per year.

Date: 2024
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DOI: 10.1080/17477778.2024.2302616

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