Quote: Americans are keeping their cars on the road longer than ever before. According to a March 2009 study released by
R.L. Polk & Co., the median age of passenger cars in operation was 9.4 years in 2008 - a record high. That means that, assuming a car is bought new and driven 12,000 miles per year (which is about average), many Americans are logging 112,800 miles before ...