[jeffasinger]

Not an expert on Houston, but did spend the past weekend there.

There's definitely a big car factor there. I had reserved a mid sized rental car to get to and from the airport and around the car centric area I was staying. When I got to the rental car center they apologized and said they were out of mid sized cars and said I could take a truck, a large suv, a jeep wrangler or what she referred to as a 2 door. It turns out a 2 door was a dodge challenger (large, overpowered and fuel inefficient car). The representative said they got rid of all the smaller cars because no one would be willing to rent them.

The concentration of pickup trucks being driven as day to day commuting vehicles seemed quite high as well.