In a bid to offset the rising cost of fuel, Wal-Mart plans to expand its offerings of fresh fruits and vegetables grown and shipped from local farms across the U.S.

During the last two years, partnerships between local farms and the world's largest retailer have jumped 50 percent, and the company anticipates it will source about $400 million in local produce this year, making it the country's largest buyer of produce that is grown and sold within a state's borders.

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