text: (source 3). All around the world people are leaving and selling their cars, according from the sources. In germany, paris,and colombia they all have  or had car-free cities for a day. As we can see all of those people  had positive changes in their lives the minute they left the car. Why dont we just try to be car-free for a day and see how better you will feel.  By going one day without cars we could also support president  Obama's amitious goals to curb the United States greenhouse gas emmisions