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There’s Gold in That Grease

There’s Gold in That Grease

Source: Crain’s Chicago Business The economic potential of used cooking oil has never been greater. These businesses are profiting from hauling it from restaurants to be turned into fuel and soap. On any given day, Zach Waickman spends a couple of hours on the phone, scheduling pickups of used cooking oil from the deep fryers at DePaul, […]

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