Utilizing personal cars, which are called private cars, has some merits. Firstly, it obtains their users a convenient mode of transportation, such as more comfortable seats. Secondly, countries have invested in automobile manufacturing, ameliorating job opportunities and diminishing unemployment. Furthermore, local states can make more money paid by vehicle owners as taxes, insurance, etc. In addition, humanity has absolute freedom to decide on roots or roads. However, employing a particular automobile has a lot of advantages, it also contains some disadvantages. For example, not only is owning a car very expensive, but it also increases fuel consumption. As a result, it affects more pollution and relics of global warming. Likewise, if city travelers increased, the wasting time on traffic jams would be boosted.