Oilman U.S. launches plan to reduce Pickens dependence on foreign oil . T. Boone calls for more use of wind power , switch to natural gas to power vehicles . Pickens ' company has announced plan to build world 's largest wind farm in U.S. . Using natural gas for transportation needs could replace one-third of the United States ' imported oil and would save more than $ 230 billion a year , Pickens said . Wind turbines could supply 20 percent or more of U.S. power needs , Pickens says .
Oilman U.S. launches plan to reduce Pickens dependence on foreign oil . T. Boone calls for more use of wind power , switch to natural gas to power vehicles . Pickens ' company has announced plan to build world 's largest wind farm in U.S. . Wind turbines could supply 20 percent or more of U.S. power needs , Pickens says .