You mean a better way than car commercials? There's no money to be made by teaching people financial responsibility... Lots of money in convincing them to buy cars, though.
One could argue with one, people would buy more of the other. Now that most rent, a car will be the biggest single financial decision most people make in their lives. Kinda weird, but preparing people for it would help it happen more. I know people who feel they are too poor to even aspire to a car these days. Its not true, but it is the best of their knowledge. Surely there is wide reaching opprotunity to be had here.