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Published online 24 January 2007 | Nature | doi:10.1038/news070122-6
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Bush calls for cuts in petrol use
Climate advocates 'underwhelmed' by president's vision.
On the night of 23 January, during his annual state of the union speech to the US Congress and the nation, President George W. Bush called for a 20 percent drop in petrol use by 2017.
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