> Can they really use that many only in good-weather places with perfect roads? I would hazard a guess that yes, that's pretty much the Southwestern US year ro

> Can they really use that many only in good-weather places with perfect roads? I would hazard a guess that yes, that's pretty much the Southwestern US year round, if you include Southern CA. There are enough metro areas, and enough new sprawling development, to put those vehicles to work.