Senate approved the increase in May after the proposal originally failed in 2012, but its implementation is still dependent on other parts of the 2014 budget deal.
Congress isn’t expected to raise taxes as part of any 2014 budget deal, but it might hike some “user fees” the federal government charges businesses and individuals.
A likely possibility: An increase in a passenger security fee that industry lobbyists warn could add to the price of plane tickets.
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