SAN ANTONIO -- H.E. Butt Grocery Company here has seen significant dollar savings and reduced transportation miles with the use of new multitemperature transportation technology, a movable bulkhead referred to as a "skinny bun." The bulkhead, which utilizes a thermostatically controlled fan between frozen and perishable product loads to keep each at an ideal temperature, allows frozen loads to be stored in the front of the trailer and produce loads in the rear. Delivering frozen and ...

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