https://news.google.com/rss/articles/CBMiZ2h0dHBzOi8vd3d3LmNuYmMuY29tLzIwMjMvMDcvMjIvLXdlLXdhbnQtb2lsLXByaWNlcy10by1jb21lLWRvd24tc2F5cy11cy1lbmVyZ3ktc2VjcmV0YXJ5LWdlbmVyYWwtLmh0bWzSAWtodHRwczovL3d3dy5jbmJjLmNvbS9hbXAvMjAyMy8wNy8yMi8td2Utd2FudC1vaWwtcHJpY2VzLXRvLWNvbWUtZG93bi1zYXlzLXVzLWVuZXJneS1zZWNyZXRhcnktZ2VuZXJhbC0uaHRtbA?oc=5
Oil markets are still volatile, U.S. energy chief says, calling for further supplies - CNBC