“Gutter oil” is one of the most revolting substances in the culinary pantheon. It sprang from the ingenuity of Chinese entrepreneurs, who fished out used cooking oil from drains, sewers and trash cans ...
Chinese police arrested 32 people accused of dredging up used cooking oil from sewers behind restaurants and selling it for reuse. More than 100 tons of the "gutter oil" was confiscated in a crackdown ...