Department of Energy researchers show that wastewater treatment plants across the US could turn sewage into biocrude oil using hydrothermal liquefaction which mimics the geological conditions required. 34 billion gallons of sewage per day could produce up to 30 million barrels of oil per year.

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Department of Energy researchers show that wastewater treatment plants across the US could turn sewage into biocrude oil using hydrothermal liquefaction which mimics the geological conditions required. 34 billion gallons of sewage per day could produce up to 30 million barrels of oil per year.