text: In conclusion, when people are seeking opinions they tend to ask more than one person because they want to be able to make better decisions, make their decisions faster, and they can help others.             The advantages of using limited car usage is that on cold nights and warm days the warmer layer or air trap car emissions. "The smog rivaled Bejing, China, which is known as one of the most polluted cities in he world. Diesel fuel was blamed, since France has a tax policy that favors diesel over gasoline. Paris typically has more smog than other European capitals. After days of near-record pollution, Paris enforced a partial driving ban to clear the air of the global city.