Delta Air Lines Inc. took a novel approach to dealing with the high cost of jet fuel it bought an id

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Delta Air Lines Inc. took a novel approach to dealing with the high cost of jet fuel it bought an idled ConocoPhillips refinery near Philadelphia in June. Delta spent $11.8 billion on fuel in 2011 and hopes to cut its fuel bill by $300 million per year.
United is taking a more conventional airline approach to saving fuel. It just took delivery of its first Boeing 787, a long-haul jet made largely of composite materials that is designed to be lighter and more fuel-efficient than the planes it will replace. It's the first U.S. airline to get the 787, which Boeing calls the Dreamliner.
Shares of United Continental rose 3 cents to $19.39 in afternoon trading. Its shares are down 25 percent since hitting a 52-week high of $25.84 in early February. That traded as low as $15.51 rental cars france last November.