Part of an ongoing effort to meet the company’s ambitious environmental goals, Wal-Mart Stores Inc.’s (WMT) fleet of about 7,200 semitractor-trailer trucks is already about 15 percent more fuel efficient and the company expects to meet a target of 25 percent by late next year. The annual savings in carbon dioxide, a greenhouse gas, would be equal to taking 67,744 cars off the road.

RUPERT MURDOCH

The media baron cleared another hurdle on his way to owning The Wall Street Journal on Tuesday when the board of Dow Jones & Co. (DJ), the Journal’s parent company, said it would sign off on a sale to Murdoch’s News Corp. (NWS) for $5 billion. Dow Jones said its board was prepared to recommend approval of News Corp.’s proposal to acquire Dow Jones for $60 per share in cash.