text: The United States has been doing some reserach and turns out that, " Americans are buying fewer cars, driving less and getting fewer licenses as each year goes by. The United States has been " one of the worls prime car cultures" (source 4). The united states have had the highest population growth of mile driven in two-thousand five and dropped down afterwards. The miles driven was nine percent lower than it was in two-thousand five. Car pullution has been affectig people. This is why they are reducing car usage. Its for their own good.