http://www.counterpunch.org/roberts01302008.html

Or the fleet milage standards that regulation imposes on car makers. These regulations destroyed the family station wagon. Families needing carrying capacity turned to vans and to panel trucks. Car makers saw a new market and invented the SUV, which as a "light truck" was exempt from the fleet milage regulations. The effort to impose fuel economy resulted in cars being replaced by over weight fuel-guzzling SUVs.

:D