What would happen if you took almost every available energy-efficiency system and installed them in one store? How much energy would that store need to run? How much would it save?
Wal-Mart Stores is about to find out.
Known for its mastery of supply chain efficiencies, Bentonville, Ark.-based Wal-Mart has turned its talents to in-store energy efficiency with the opening last month of an experimental, 206,000-square-foot supercenter in McKinney, Texas, just north of Dallas.<