UPDATE 2-TransCanada may go ahead with Cushing-Gulf line
November 16, 2011 at 15:40 PM EST
CALGARY, Alberta, Nov 16 (Reuters) - TransCanada Corp said on Wednesday it could start building the portion of its planned Keystone XL pipeline that runs from Cushing, Oklahoma, to the Gulf of Mexico, even as it awaits U.S. approval for the project as a whole.
