text: This trend has even begun to spread to the United states, the car capital of the world. Although the Vehicle's immense popularity, the density of usage here has finally started to decline. Teens are getting their licenses later, and not even getting a car until much after. This is also a good thing for multiple reasons. There are less reckless teenagers roaming the streets, and much safer roads, along with the help of Carpooling, there is much less gas being used, and more excercise when people decide to ride their bikes or walk places.