The premium of gasoline at the pump to futures prices has widened to almost $1 a gallon for the first time since 2012, foreshadowing further declines for motorists and bringing U.S. holiday travelers closer to $3 gasoline than they’ve been in four years. Gasoline for November delivery settled at $2.2575 a gallon on the New York Mercantile Exchange Friday, 98.25 cents below the retail price posted by AAA.