Richard Swann, Ross McCracken and Robert Perkins take an in-depth look at Platts' Top 250 rankings for 2012 and explain how record average crude prices have seen the oil and gas sector extend its dominance of the world's top energy companies; the disparate fortunes of gas, coal and power utilities and producers across each region; and how Asian and Russian companies dominate where return on invested capital is concerned. (10/24/12)

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