The BRC has told the Treasury that legislation would put a burden on business because of the need to train staff to charge for the bags.

BBC: Harrabin's Notes: Pay on plastic

They want the duty at London's airports to remain unchanged, like a 'congestion charge', to encourage airlines to switch services to regions which have the capacity to ease the burden on the capital's busy terminals.

BBC: Regional airports urge Osborne to cut passenger duty