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 .
T. Boone Pickens launches plan to reduce U.S. dependence on foreign oil . Oilman 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 Texas . Wind turbines could supply 20 percent or more of U.S. power needs , Pickens says .