text: Thats just not it, The united states has been the worlds prime car cultures.  "Its also the birthplace of the model T; the home of Detroit; the place where Wilsom Pickett immortalized "Mustanf Sally"" " Demographic shifts in the driving population  suggest that the tend may accelerate. There has been a large drop in percentage of 16-to 39 years olds getting a license, while older people are likely to retain thier licenses as they age" Mr. Sivaks research has found. (paragraph 39) In New York , there is  a "proliferation of car-sharing programs acroos the nation" (paragraph 37)  there are many car limiting advantages like is stated above  car-sharing that was devolped in New  York and now travling all over the United States. There are many elder people reatinging their license. And less younger people getting thier licenses.