The American consumer should be paying $10 per gallon for petrol, instead of the current average of $2.62. So says Elon Musk, the chairman and chief executive of Tesla Motors, the Silicon Valley company that makes the Roadster electric car.
Mr Musk reckons that is the price that would compensate for all the externalities of burning fossil fuel, polluting the atmosphere, warming the oceans etc. He made his calculation this morning at the Wired magazine business conference in New York, which I attended. Read more



