text: What if I told you that there a cities that are banning car usage?  Vauban in Germany is a suburb that has given up cars.  Paris banned driving for a few days to reduce smog.  Bogata, Columbia initiated an annual "car-free day."  Cities all over the world are giving up cars and looking to other forms of transportation.  So why limit car usage? Well, the usage of cars produces O-zone harming greenhouse gass emissions, smog, traffic jams, and adds stress to the our everyday lives.