Why are cars still so inefficient ?

the day a flat-panel delivery truck gets 45MPG is the day i vote for bush. The reason cars cant get good MPG is that they're cars. They're heavy, huge and tend to push alot of air around. They contain large, multi-cylinder engines that fire relentlessly(hopefully) with no end in sight till the driver turns the key off. they also have mario andretti wannabes driving them. the reason hybrids dont get that kind of MPG is that they're all hype. A hybrid burns the same amount of fuel as it's parent car with the same gas engine, it just takes a little longer to do so. it's no more efficient. If people really wanted good MPG, we'd see a TON more bikes on the road. Me, personally, I dont care how bad the gas mileage my truck gets is. I'll be happy if it gets two digit MPG figures. I'd get a superbike if I wanted a fun ride that sips gas. Also, there's no way in hell a '93 probe is going to get 38MPG unless it's misfiring very badly. 30 would be more reasonable, and that delivery truck was lucky to get 14MPG, not 45. This is america, fool, we are not efficient people and we tend to say 'to hell with mother nature i want a fun ride'