Perhaps the most challenging part of a retailer's supply chain is the cool chain.
That's the part responsible for transporting, from the producer to stores, the highly perishable and time-sensitive products that are increasingly vital to food retailers. The value of perishable products depends in no small way on their getting to the store in pristine, ripe condition.
So it's no surprise that retailers are investing a lot more in upgrading their cool chains. Indeed, some r