The importance of environmental concerns has become one of the most relevant and discussed subject in recent years. New targets for vehicle emissions are getting so stringent, that electrification of the powertrain represents the only realistic and feasibile solution for the near future. Despite the maturity of conventional internal combustion engines technology, and the existing distributed refueling infrastructures, ICE are obviously incapable of meeting the zero-emission limitations established by the European community for 2035 (engine ban). However, eliminating liquid fossil fuels is not an easy goal to be reached, and several challenges must be addressed to meet and fulfill customer needs, which can’t be ignored in this electrification process.