al2005].</p>
<p><strong>I.</strong> Total: emission of pollutants is estimated from the fleet (number, type and year of vehicles), vehicular activity (km/day) and emission factors (g/km) by pollutant for each interest area (cities, states, countries, etc) or alternatively the totals of some inventory can be used.</p>
<p><strong>II.</strong> Spatial distribution: the package has functions to read information from tables, georeferenced images (tiff), shapefiles (sh), openstreetmap data (osm), global inventori