Shale is far too expensive to process efficiently. It only makes sense if gas is going for $7-10 a gallon.
A Prius is a damn ugly car, actually. The fact is, a hybrid might help slow the use of gasoline, when gas runs out entirely or gets too expensive, a hybrid isn't going to do any good. The reality is that we need to look for a way to rid ourselves of gasoline altoghether.