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Airbus has unveiled
plans for the first zero-emission
. It predicts its hydrogen-powered airplanes could be flying by 2035. Hydrogen is a
away from battery
, which many in the industry believe is the
for carbon-zero airplanes. Batteries could be
for larger airplanes. Airbus said the
to hydrogen needs "decisive
from the
aviation ecosystem". This means redesigned airports and
of refuelling.