text: President Obama's ambitious goals to crub the United States' greenhouse gas emissions, unveiled. A fortuitous assist from an incipient shift in American behavior, recent studies suggest that Americans are buying fewer cars, driving less and getting fewer licenses as each year goes by. Researchers are wondering if people have been peak driving. Rates of car ownership per household and per person started to come down  two to three years before the downturn. A lot of sociologists believe that the percent of cars owned per personper household will go down.    What do I think about using cell phones while driving? Cell phones are big distraction when using them or having a conversation. Driving is already dangerous enough because of what can happen in a car wreck. I'll tell you my opinion on this in my three body paragraphs in this essay.