Chief Economist of the International Energy Agency Fatih Birol speaks during a question and answer session at the Oil & Money conference in London October 1, 2013. REUTERS/Luke MacGregor (BRITAIN - ... more 
Chief Economist of the International Energy Agency Fatih Birol speaks during a question and answer session at the Oil & Money conference in London October 1, 2013. REUTERS/Luke MacGregor (BRITAIN - Tags: BUSINESS ENERGY) less 
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Reuters | Photo By LUKE MACGREGOR / REUTERS
Tue, Oct 1, 2013 9:25 AM EDT