Since the discovery of motor vehicles, life for most Americans has changed. It has become easier to move from one place to another and on average Americans can be considered among people in the world who likes traveling. The invention of motor vehicles and development of the automotive industry in the 20th century led to the development of the concept of auto mobility. Americans like moving and to keep moving they must have cars. It can be therefore argued that the development of American auto industry greatly changed life for Americans. Cars become a part and parcel of our life and it has become difficult to live without them. Cars can therefore be considered to have to have been a blessing to most Americans. However, less than a century since automobiles became a part of Americans’ life, most people today laments that cars have been more of a curse than a blessing to the world. They have started seeing the dark side of cars and are now calling or alternative means of travel other than cars. Cars have had detrimental effects on the environment. Cars have been cited as the prime case of air pollution from emission of green house gases after burning of fossil fuels. In reality, cars the concept of auto mobility is now threatened and the whole industry and the world at large is threatened by climate change. As most people call for banning of cars, few people have ever thought how life could be without cars. We can say that the world is at a cross road where it has to live with the negative impacts of cars and at the same time have been forced to keep using cars since they support the economy. To understand the best proposition whether to live with cars or not, this study will look at possible impact of banning all cars in America.