“If we start really squeezing down on carbon dioxide over the next few decades, well, that could double; it could eventually triple. I think inevitably if we squeeze down on carbon, we squeeze up on the cost, it brings along with it a push toward efficiency; it brings along with it a push towards clean technologies in a conventional pollution sense; it brings along with it a push towards security. Because after all, the security issues revolve around carbon bearing fuels.”
Obama’s Energy nominee: We need carbon tax to double or triple energy cost | WashingtonExaminer.com