Used Coffee Grounds Could Help Create Clean, Cheap Fuel, University of Cincinnati Study

A large percentage of people turn to coffee for energy to start their day, but new research suggests that the caffeinated beverage could also serve as fuel to power automobiles and appliances. Yang Liu of the University of Cincinnati’s College of Engineering and Applied Science (CEAS) and colleagues report that an ingredient in old coffee grounds could be converted into energy sources, including biodiesel and activated carbon, through a three-step process.

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