Truckload rates for produce reefers are as much as 10% higher nationwide than they were a year ago and some industry insiders say the higher costs are most likely not related to diesel prices.

“Fuel is not in the picture,” said Mark Montague, senior transportation pricing analyst for DAT Solutions, which operates a load board network (linking drivers with loads) and trucking industry data service in Beaverton, Ore.

DAT Solutions processes more than 99 million transactions annually and bases rate estimates on $24 billion of freight bills, according to its website.

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