hicles</code> function creates a <code>data.frame</code> with information about the São Paulo Fleet using data from [@detran2016], the <code>emissionFactors</code> creates a <code>data.frame</code> with emission factors for CO and PM [@cetesbEV2015]. The <code>totalEmission</code> calculates the total emissions of CO for these vehicles and this emission factors. The next 3 lines opens different data: wrf file, a raster and the area shapefiles. These data are the input for <code>areaSouce</code> that create