Jan 22, 2007 12:00 PM

SALISBURY, N.C. — By pledging to adopt an environmentally friendly refrigeration technology, Food Lion last week became one of the first supermarket chains in the country to team up with the U.S. Environmental Protection Agency on a campaign to protect the ozone layer and reduce greenhouse gas emissions.

Officials from Food Lion last week demonstrated the technology at a store in Montpelier, Va., during an event attended by retailers, vendors and representatives from the EPA and the Food Marketing Institute. The store, one of three units of Food Lion that are testing or will test the next-generation cooling systems, is using a low-temperature secondary system that uses naturally occurring carbon dioxide to refrigerate foods. At a Food Lion in Dinwiddie, Va., the company is testing a medium-temperature secondary coolant system that uses water and glycol to refrigerate food. For purposes of comparison, both systems will be installed at a third store, in Portsmouth, Va., scheduled to open in early 2008.

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