Add Yahoo as a preferred source to see more of our stories on Google. When it comes to electrifying the commercial shipping sector, Walmart is walking the walk by deploying an electric semitruck ...

Beginnings and Ben Franklin -- The evolution of retailing and the appearance of discount merchandising -- The birth of Wal-Mart -- A billion-dollar baby: Wal-Mart during the 1970's -- Wal-Mart becomes ...