The aim of this work is to evaluate the impact of different possible structures of the road vehicle fleet on the final energy balances and on CO2 emissions and two of the main pollutants, NOx and PM from road transport For this analysis a HISTORICAL STUDY has been carried out which relates the different variables that affect energy consumption and emissions, and then projects the results on the planned parks in four scenarios: "Business as usual", slow scenario, fast scenario and green scenario) with different park renewal hypotheses and with the incorporation of electric cars in the last case.
