Boeing delivered to Air France the first 777-300ER incorporating enhancements that improve overall fuel efficiency by 1.4%. This equates to an annual fuel savings of approximately 200,000 gal., according to the manufacturer. The improvements result from a modification to the GE90-115B by GE, drag reduction via modification of the vortex generators and air induction systems for the environmental control systems, and weight savings that include lighter weight ECS ducts and main deck floor ...

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