In recent times, automotive diesel vehicles are suffering an attack and discrimination at different levels in front of a competitive technology (Electric Vehicles - EV) that is also receiving too much media attention and compliments without a clear scientific support for neither action. Here, an objective comparison of pros and cons has been presented for both technologies, based on recent studies as well as objective data that must be taken into account for a clear objective analysis. Keywords: pollutant emissions, global warming, primary energy sources, new diesel technologies, electric vehicles.