“…Research and development of electric cars does not only focus on aerodynamic aspects, but also concerns policy [13], competition with conventional vehicles [14]- [16], consumer acceptance [17], production [18], energy management [19]- [21], and the weaknesses of electric cars [22]. For example, an electric car requires a special place for charging its battery where the car must be stopped for a certain amount of time [23]- [25].…”