Comment Re:So (Score 3, Interesting) 1105
You're assuming that in all cases there are no alternatives to using lots of energy, and that is completely invalid.
Tying in the London congestion charge just gives a great example for a rebuttal. London does have a decent public transport system - the tube is the quickest way of getting around. Commuting journeys across London do not need to be made in a car. The congestion charge has been effective: people go to work on the tube, or a bike.
A generic carbon tax will promote efficiency and lower consumption of carbon, but just increase costs.