Abstract We consider a supply chain network design problem that takes CO2 emissions into account. Emission costs are considered alongside fixed and variable location and production costs. The relationship between CO2 emissions and vehicle weight is modeled using a concave function leading to a concave minimization problem. As the direct solution of the resulting model is not possible, Lagrangian relaxation is used to decompose the problem into a capacitated facility location problem with single sourcing and a concave knapsack problem that can be solved easily. A Lagrangian heuristic based on the solution of the subproblem is proposed. When evaluated on a number of problems with varying capacity and cost characteristics, the proposed algorithm achieves solutions within 1% of the optimal. The test results indicate that considering emission costs can change the optimal configuration of the supply chain, confirming that emission costs should be considered when designing supply chains in jurisdictions with carbon costs.


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    Titel :

    Green supply chain network design to reduce carbon emissions


    Beteiligte:
    Elhedhli, Samir (Autor:in) / Merrick, Ryan (Autor:in)


    Erscheinungsdatum :

    2012-01-01


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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