text: Vauban, completed in 2006, is an example of growing trend in europe. The United States and elsewhere to seperate suburban life from auto use, as a component of a movement called "smart planning" stated in paragraph 4. Passenger cars are responsible for 12 percent of greenhouse gas emissions in Europe and up 50% in some car intensive areas in the United States. When you don't have a car you had to walk to get where you need to go. But when you get a car you dont think about walking because all you wanna do is drive. As stated in paragraph 9, in the United States the Environmental Prtection Agency is promoting "car reduced" communities, and legislators are starting to act, if cautiously.