Funding Our Own Destruction

Why is this not an issue in the Presidential election? It is patently obvious we need to wean ourselves off foreign oil. We don't need to do it all at once, but we need to move in that direction, together.

"In short, we are delivering a $700 billion (at least, as prices are still rising) to the following nations: Iran, Sudan, Saudi Arabia, Russia and Venezuela. The implications are profound, and an orchestrated response by us is years away."