Embargoed to 0001 Saturday June 15. File photo dated 24/9/08 of the logo of EDF Energy, one of the UK's biggest energy suppliers, which has called for petrol forecourt-style pricing in a bid to help ... more 
Embargoed to 0001 Saturday June 15. File photo dated 24/9/08 of the logo of EDF Energy, one of the UK's biggest energy suppliers, which has called for petrol forecourt-style pricing in a bid to help consumers identify the best deals. less 
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Fri, Jun 14, 2013 12:40 PM EDT