Half the vehicles in the parking lot where I am now are Large SUV's and full sized crew cab pickups. Single drivers for each machine. Let's be honest, for the dirver these machines are a benefit, roomy, comfortable lots of steel around you if you get in a crash.

That's the problem with conservation, what is good for the individual is not always what is best for everyone. I think it may be very difficult to change in the United States whe "The pursuit of happiness" is considered a "right"

Detroit has to pour R&D money into more environmentally friendly vehicles. But that won't work without consumer demand. Maybe instead of chaining themselves to trees, environmental activists should be chaining themselves to gas pumps.