In source 1, Elisabeth Rosenthal is inform us about the low car usage in Vauban,Germany. In Vauban, the residents no longer use cars. They use other means of transportation such as bicycles and walking etc. It is shown in paragraph 3 that 70 percent of Vauban's families do not own cars and that 57 percent sold a car to move there.

In Europe, passager cars are responsible for 12 percent of greenhouse gas and up to 50 percent in some car intense areas in the United States, paragraph 5. Efforts in past 20 ears have been made to make cities denser and better for walking. Populated with 5,500 , Vauban may be the most advanced experiment in low car suburban life, paragraph 6.

Scarsdale and Levittown, New York suburbs has strong apppeal, Many new suburbs may look more like Vauban. Cities around the world where emissions from cars are choking cities, their developing a little bit of the Vauban life style now, paragraph 8. The Environmental Protection Agency in the United States, is promoting the "car reduced" communities. Many experts expect public transport serving suburbs to play a much larger role in a six- year federal bill. 80 percent of apporpriation have by law gonre to highways and only 20 percent to other transport, paragraph 9.