Over the span of the two-century ago, due to the innovation of technology the lifestyle of humans changed. Therefore Lead to crowding and create big cities. For living in these cities need to transportation systems. But the myriad of these transportations although led to convenience life humans. But they have some drawbacks, especially untold damage to the environment such as consuming natural resources, for instance, oil that came from plants and cutting down also, nowadays air pollution is an important problem in the environment.