What is the most efficient commercial airplane?



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    Currently, airlines testing biofuels include Air New Zealand, Continental, Japan Airlines, Jet Blue, Lufthansa, and Virgin Atlantic. Virgin Atlantic recently completed the world’s first flight powered on 20% biofuel, using a Boeing 747-400. The four most energy effecient planes are the Boeing 787 Dreamliner, the Airbus A319, the upcoming Bombardier CSeries, and the smaller, slower, Turboprop planes, used by airlines like Alaska Airlines. 

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