“A CRISIS is a terrible thing to waste,” Vinod Khosla laments to Larry Page. The two Silicon Valley luminaries are chatting one evening at the Googleplex, the quirky Californian headquarters of Google. The crisis which Mr Khosla is concerned about is caused by carmakers’ addiction to oil and the consequent warming of the planet. “The energy and car industries have not been innovative in many years because they have faced no real crisis, no impetus for change,” he insists.

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