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The big questions around energy partnerships remain
7-Eleven owner to add US convenience stores and petrol stations to portfolio
Oil refining spreads tightening as plants are relaunched
As petrol prices rise and western demand shrinks, refineries are closing across the developed world
The collapse of Petroplus signals reversal for the industry
Lynn Laverty Elsenhans has been chief executive and president of Sunoco since 2008 and chairwoman of the board since 2009
Corporate counsel are finding their own methods of promoting innovation. By Reena SenGupta
High crude oil costs are squeezing refining margins
International Edition