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    United estimates that using the iPad will  save 16 million sheets of paper a year, and that the lighter load it  represents will save 326,000 gallons (1.2 million liters) in fuel. 

 United pilots to use iPad for navigation

    United estimates that using the iPad will save 16 million sheets of paper a year, and that the lighter load it represents will save 326,000 gallons (1.2 million liters) in fuel.

    United pilots to use iPad for navigation