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Localization of a chain of petrol stations within the area of Poland is considered. The problem is formulated in terms of capital budgeting model. To evaluate different possible solutions three conflicting criteria which express present and future profit as well as the environmental impact are taken into account. To solve the problem two stage procedure is proposed. In the first stage a multiobjective metaheuristic technique is applied. It generates an approximation of the Pareto solutions set. In the second stage, the decision maker selects the best compromise among these solutions guided by an interactive multiobjective procedure.