OPEC: Oil will be world's No. 1 energy source for decades

FRANKFURT, GERMANY -- While acknowledging the inevitable advance of alternative energy sources and technology, OPEC said that oil would be the leading energy source for decades to come as crude prices reached three-year highs Tuesday. In its annual World Oil Outlook, OPEC acknowledged that more electric vehicles on the road and the push for alternative and renewable energy will indeed usher in an era of declining demand for oil in rich countries.-- More...