SAN ANTONIO -- Secondary-loop refrigeration systems and utility deregulation are just two of the hot issues flashing intensely on retailers' radar screens as they seek new solutions for increasing energy efficiency and cutting costs heading forward. "The one issue I always like to hear about is the different approaches to refrigeration," said Charlie Wernette, manager of retail engineering at H.E. Butt Grocery Co. here and chairman of this year's Energy & Technical Services Conference, ...

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