text: Cars have become a universal item. A lot of people have them, but no really gives them much thought. There are a few places that have spent the time and really developed ways to keep a community clean without the hazardous fumes coming from the car exhaust. For example, Vauban, Germany has developed a system where cars are banned. The only place you can keep your car is on the outskirts of town in designated garages. Due to this, most people dont even have a car, and have chosen to sell it before moving in. In Bogota, Columbia they had a developed a day free of cars where anyone that drove a car would have to pay a fine. According to the governer it was a amazing thing and everyone was participating in it. This also helped get some the nasty gases that they produce away.