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Green sky thinking: Can the world grow enough jet fuel?
By Daisy Carrington, for
CNN
July 7, 2014 -- Updated 0923 GMT (1723 HKT) (
CNN
) -- When it
comes
to the "Aviation will double in size worldwide in the next two decades,
and
if we're not able to provide a sustainable
blog.naver.com · 2014.08.20