Renewable Energy Conferences.com | Renewable Energy Events, Conferences, Exhibitions, Training and Seminars: DOE Introduces Big Oil to New Energy Source: Waste Heat Geothermal DOE Introduces Big Oil to New Energy Source: Waste Heat Geothermal ================================================================================ REC.com on 05/10/2009 14:40:00 Every barrel of oil extracted in the US also produces ten barrels of hot fluids in addition to the oil