text: 50 perecent in some car-intensive areas in the United States." [empheses on original] That many emissions are horrible for the enviorment and even worse for our pockets, because they're just going up in smoke. New cities are rising and are acctuly trying to adopt this trend by making cities denser, which means that all the stores and your work place are in walking distance. By being able to walk to your local shopping store or favorite move theatre means that you're saving gas, and by saving gas the ecodimey is saving money which will make prices in all the stores and other bussnesses cheaper for the consumer, you!