text: In Vauban, Germany they have given up their cars. Vauban's streets are clear of cars, even clear of parking spaces. There are only two places to park, a large grage at the end of the development, where you have to pay $40,000, along with the price of your house. Experts say that this is one of the first real major ways peopl are trying to drastically reduce greenhouse gas emissions for cars.  In the United States, in car-intensive areas, cars casue up to 50% of all greenhouse emissions.