Airbus has an A320 undergoing flight tests with the new Sharklets in place of the old wingtip fences:
Airbus A320-211 Sharklets F-WWBA (msn 001) (Sharklets - hunting down fuel burn) TLS (Clement Alloing) by
Airliners Gallery, on Flickr
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Originally Posted by Airbus
Sharklets are around 2.5 metres tall and will replace the aircraft’s current wingtip fence. Offered as an option on new-build aircraft, Sharklets have been specially designed for the Airbus A320 Family to reduce fuel burn by up to an additional 3.5 percent, corresponding to an annual CO2 reduction of around 700 tonnes per aircraft. This reduction is equivalent to the CO2 produced by around 200 cars annually. The wingtip devices will also enhance the aircraft’s performance.
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