Abstract
In 2010, the Intergovernmental Panel of Climate Change (IPCC) showed that emissions of greenhouse gases (GHG) more than doubled in comparision to 1970 levels, reaching 7 Gt CO2 eq, considering other GHG besides carbon dioxide. Road vehicles are responsible of about 80% of this increase (IPCC, 2014). The increase in the fleet of cars in recent years has generated congestion, traffic, accid…