The advances of limiting car usage is not only helping the communtity but also yourself. In Vauban, Germany  70 percent of their families do not own cars, and 57 percent saold a car to live here. people find it better to walk to places rather than having to use a vehicle. "All of our development since World War II has been centered on the car, and that will have to change," said David Goldberg, an official of Transportation America. The Environmental Protecton Agency is promothing "car reduced" communties. Delivery companies complained of lost revenus, while exceptions were made for plug-in cars. it was the third straight year cars have been banned with only buses and taxis permitted for the Day Without Cars in this capital city of 7 million. "It's a good opportunity to take away stress and lower air pollution," said businessman Carlos Arturo Plaza as he rode a two-seat bicycle with his wife. Two other Columbian cities, Cali and Valledupar, joined the event. The day without cars is part of an improvement campaign that began in Bogota in the mid-1990s. In parks and sports centers their pitted sidewalks have been replaced by broad, smooth, sidewalks. With all these changes, poeple who stopped car commuting as a result of the recession may find less reason to resume the habit. New York's new bike-sharing program and its skyricketing bridge and tunnel tolls reflect those new priorities. A study last year found that driving by young people decreased 23 percent between 2001 and 2009. Bill Ford, executive chairman of the Ford Motor Company, proposed partnering with the telecommunities industry to create cities in which "pedestrian, bicycle, private cars, commercial and public transportation traffic are woven into a connected network to save time, conserve resources lower emissions and improve safety."