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In this handout image provided by Boeing Australia, a Boeing 787 Dreamliner lands at Sydney Airport on November 15, 2011 in Sydney, Australia. The Boeing 787 Dreamliner carbon composite aircraft, was designed to reduce jet lag and air sickness and cut fuel emissions by 20%. Boeing has orders for more than 800 787 Dreamliners from more than 50 airlines around the world, including 50 for Qantas and Jetstar. The jet touched down in Sydney today to mark Qantas Airlines 92st birthday.
In this handout image provided by Boeing Australia, a Boeing 787 Dreamliner lands at Sydney Airport on November 15, 2011 in Sydney, Australia. The Boeing 787 Dreamliner carbon composite aircraft, was designed to reduce jet lag and air sickness and cut fuel emissions by 20%. Boeing has orders for more than 800 787 Dreamliners from more than 50 airlines around the world, including 50 for Qantas and Jetstar. The jet touched down in Sydney today to mark Qantas Airlines 92st birthday.

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    Should airlines use weight-based fares?

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Should airlines use weight-based fares?

CNN's Lisa Sylvester looks at a proposal for airlines to save money by charging passengers by their weight.

Should airlines use weight-based fares?

CNN's Lisa Sylvester looks at a proposal for airlines to save money by charging passengers by their weight.