[1]Faculty of Engineering Autonomous University of Campeche Campeche 24039 Mexico;
[2]Faculty of Sciences Autonomous University of San Luis Potosi San Luis Potosi 78290 Mexico;
[3]Faculty of Engineering Autonomous University of San Luis Potosi San Luis Potosi 78290 Mexico;
ant colony optimization; multilayer perceptron; artificial neural networks; hypervolume; engine; emissions;