In partnership with the World Bank and the team of the Alberto Luiz Coimbra Institute for Graduate Studies and Research in Engineering (COPPE) of the Federal University of Rio de Janeiro (UFRJ), a study with an unprecedented methodology was developed to calculate the locations, buses and lines that would be emitting more greenhouse gases and gases harmful to human health.

This new model is still in academic development because it complements the current models of carbon inventory calculations, which are applied only to large areas. In addition, with this new model, based on the cross-reference of GPS data with buses and developed speeds, the project team was able to inform exactly the most harmful routes and lines, so that they could be considered a priority for the reception of new vehicles, whose models would have less emission of these gases.