text: In, conclusion poeple ask alot of people because they want the best advice. So the the person can make a better choice. If you dont have a car you will reduce greenhouse gas. it will rudeuce accitents. less people willl be fined so tht means more money for you. congestion was down 60 percent so thats good in the capital of france after five days of intensifying smog. cold nights and warms days caused the warmer layer of air to trap car emissions. the united states has a program called the environmental protoction agency is promting car reduced communities and, ligislators are satrting to act.