John,
Unlike people like you and me most people are not that conscious of how they spend their money. They won't go out of their way to to make the choice for renewable power but just want it to become part of their bill with no extra effort on their part.
Regarding your comments on the President's energy policy, it's amazing how people twist things to suit their own biases or agenda. Here is an essay on the very subject from FactCheck.org
http://www.factcheck.org/2012/03/obama-wanted-higher-gasoline-prices/