Gutter oil

Gutter oil typically comes from a variety of food waste sources, including sewer drains, grease t...

Owners and staff members at three restaurants in eastern China have been jailed for using waste c...

Chang Guann has been buying what's known as “gutter oil” — recycled oil from restaurant waste and...

Gutter oil or sewer oil is a general term for oil that has been recycled. It can be used to descr...