How much grease fast food restaurants produce is outstanding as this infographic depicts from greenturtletech.com. In particular, fast food restaurants in the U.S. manage to produce a startling high amount of yellow grease through the various food products made at each location. What has been generally unknown until most recently is just how profitable that yellow grease waste is and what purpose it serves. The grease waste produced from each fast food restaurant can be recycled and used to create biodiesel that then fuels cars, factories, and more. Keeping water clean by proper disposal.