A new survey says New York is one of the hardest places in the country to keep a car clean. That was higher than the scores for Philadelphia and Washington, D.C.New York Ranks Near the Top NationwideNew York City ranked among the top three cities for damage caused by the environment. Denver and Chicago were the other two cities near the top. New York Cars Often Smell Like Fast FoodThe inside of a New York car may not stay fresh for long either. The Big Apple ranked among the top three cities where vehicles are most likely to smell like fast food.