Now Playing: 11-22-12 Marketplace Morning Report

Happy Thanksgiving! If you're planning on driving a rental car to the family dinner today, it might not be as easy as you are used to. One estimate shows that 250,000 cars were damaged or destroyed by Hurricane Sandy, and all those people looking for temporary transportation is starting to create a shortage at the rental car companies. While you're on the road, beware of yellow traffic lights. Some cities are being accused of making those lights shorter than usual to get more money out of red light cameras. Plus, a little explanation of negative interest rates from our in house economist, Chris Farrell.