![]() Products must be distributed to customers in different locations and also with varying requests. Product distribution is one of the logistics processes in the industry which consumes the most costs. In the industrial sector, in order to increase the company's competitive profit and ratio, must be able to suppress as much expenditure as possible. The results indicate that the 2EVRP-DF model can provide optimal costs and lower carbon emissions than the common practice. ![]() A set of comprehensive computational experiments is conducted. In addition, this study analyzes the environmental impact by adding a component of carbon emissions emitted by the vehicles. In common practice, customers are assumed to go directly to the depot to drop their goods. ![]() The results are then compared to those of common practice in reverse logistics. The aim is to find the minimum total costs consisting of vehicle transportation costs and the costs to compensate customers who have to travel to access these intermediary facilities. An optimization model of integer linear programming is proposed, representing a two-echelon vehicle routing problem with a drop box facility (2EVRP-DF). ![]() ![]() This study considers a two-echelon distribution system in reverse logistics context with the use of drop box facility as an intermediary facility. A two echelon distribution system is often used to solve logistics problems. ![]()
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