Cal. Food & Agric. Code § 19310.7

Any person registered as a transporter of inedible kitchen grease may deliver any inedible kitchen grease to a licensed renderer or collection center for processing or recycling into usable products. As used in this section, “usable products” includes, but is not limited to, biofuels, lubricants, and animal feed, provided the uses for animal feed are permitted by the rules and regulations adopted by the United States Food and Drug Administration.