A logo is seen under a canopy of trees at a Shell petrol station in central London July 29, 2010. Royal Dutch Shell Plc said second-quarter profits doubled thanks to high oil prices and bigger than ... more 
A logo is seen under a canopy of trees at a Shell petrol station in central London July 29, 2010. Royal Dutch Shell Plc said second-quarter profits doubled thanks to high oil prices and bigger than expected restructuring gains and unveiled a plan to boost asset sales, echoing a plan from rival BP. REUTERS/Toby Melville (BRITAIN - Tags: BUSINESS ENERGY) less 
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Reuters | Photo By © Toby Melville / Reuters / Reuters
Thu, Apr 10, 2014 3:00 AM EDT