More Perishables, More Supply Chain Complexity

Global consumption of fresh food is rising, and getting it from farm to fork in optimal conditions is the ongoing challenge.


“Approximately 500,000 trailer refrigeration units operate across the United States, but only an estimated 15 percent of these vehicles operate with on-board telematics technology,” he states in a recent white paper. “Companies operating trucks without this technology deny their fleet managers the ability to monitor reefer unit and refrigerated box temperatures, or to be alerted to truck locations and open-door durations. Fleet managers also lack the ability to remotely change reefer settings when necessary. Having these capabilities allows transportation firms to react when temperatures fall outside of accepted ranges—whether based on government regulations or internal requirements. More importantly, having these capabilities can help companies avoid catastrophic consequences.”

While remote monitoring devices have been available for years, telematics technology that allows for remote management of temperature and environment is still relatively new, notes Chicoine.

Telematics technology can zero in on other problems in the cold chain, he says. “One food transportation company discovered that some drivers left the doors open from their arrival until their departure at each delivery location—often for 20 minutes or more. The company instituted a policy requiring drivers to close their trailer doors immediately after removing products. Not only did this new SOP (standard operating procedure) ensure product temperatures remained consistent, with telematics, the company was able to monitor drivers.”

For companies looking to invest in telematics technology, Chicoine advises considering solutions “that extract as much data as possible through alerts, fault codes, temperature set points, door open/close statuses, and geo-zone tracking. The data can serve as the ultimate proof of your company’s ability to properly care for food and adhere to regulations.”

In the meantime, containerized ocean carriers are transporting more refrigerated cargo while the specialized reefer carriers are losing market share, and they’re investing in equipment and technology to support this key business segment.

For example, Hamburg Sud says it aims to achieve a 15 percent reduction in energy consumption from its reefer containers by 2015, with the newest reefer containers expected to save up to 20 percent in energy consumption. The box carrier says its new reefers will use inverter technology to produce cooling power only when it’s needed, making it more energy efficient and cost effective.

Meanwhile, Global Fresh Foods has begun shipping fresh salmon from Chile to the U.S. West Coast by ocean cargo, a route that was previously serviced only by air. The company’s patented fuel cell technology, Safe and Fresh Distribution (SAF-D), controls oxygen levels inside the ocean container to keep the salmon fresh during the longer transit. Ultimately, the solution provides a more cost effective transportation solution and a more sustainable alternative (no ice, polystyrene foam packaging, or carbon-intensive airfreight). Buyers, including food wholesalers and restaurant operators, have expressed interest in the service not only because of the lower freight costs, but also because it offers a dramatic reduction in the use of Styrofoam. In addition to the U.S. West Coast market, Global Fresh Foods will soon be shipping fresh salmon to Japan via ocean cargo.

Battery technology is also advancing. Last month, Emerald Technology Partners and EnerDel announced they would work together to develop EnerDel’s lithium-ion battery for commercialization with Emerald’s WedWay Zero-Emission Refrigeration Power System.

The system uses kinetic energy produced by a semi-trailer’s rotating wheels to produce power, which is stored in the lithium-ion battery and used to run the refrigeration or freezer unit of the semi-trailer when it is stationary anywhere from 12 to 24 hours. It also allows for the removal of a dedicated fuel system, which reduces the weight of the semi-trailer and makes it possible to carry more cargo.

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