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The jets ordered by United Airlines will be the
supersonic jets to make
flights since 2003. The
of the supersonic tickets will be about the
as regular business class tickets. Previously, the cost of a
on a supersonic
was over 20 times higher than economy class
. Only the super-rich could afford one. The new planes will be more fuel-efficient and
. Flights will be net-zero carbon and use sustainable
. The cost of each airplane is approximately $200 million. Boom already has around $6 billion in
.
