National Center for Policy Analysis . Retrieved on 2007 - 11-01 . ^ http://www.searchanddiscovery.net/documents/2007/07032horn/images/horn.pdf ^ The 'Peak Oil' Theory: Will Oil Reserves Run Dry? ^ Charlie Rose . A conversation with John Hofmeister . PBS . ^ Jad Mouawad ( 2007 - 03-05 ). Oil Innovations Pump New Life Into Old Wells