The January rate increases will be the same as in August, widening the rate gap between the shuttle and non-shuttle shippers, applying further economic pressure to on producers and shippers to ship their goods through a shuttle facility.The attorney general report claims that, since the introduction of shuttle trains, many smaller elevators have gone out of business.The two increases will represent a jump in the differential from $50 per car in 2006 to $370 per car in 2010 — more than a 700 percent increase in four years.