{"data":{"id":"us-wa/rcw-43.19.643","jurisdiction":"us-wa","citation":"RCW 43.19.643","heading":"Biodiesel fuel blends—Definitions.","body":"The definitions in this section apply throughout RCW 43.19.642 unless the context clearly requires otherwise.\n(1) \"Biodiesel\" means a mono alkyl ester of long chain fatty acids derived from vegetable oils or animal fats for use in compression-ignition engines and that meets the requirements of the American society of testing and materials specification D 6751 in effect as of January 1, 2003.\n(2) \"Ultra-low sulfur diesel\" means petroleum diesel in which the sulfur content is not more than thirty parts per million.","path":["Title 43","Chapter 43.19"],"source_url":"https://app.leg.wa.gov/rcw/default.aspx?cite=43.19.643","current_through":"July 15, 2026","vintage":"","retrieved_at":"2026-09-06T02:47:30Z","sha256":"f6885a473e1b7114014428bdf3963db8b844a7de920fd69f9cb3183742a0ac73","source_id":"us-wa","stale":false,"prev":"us-wa/rcw-43.19.642","next":"us-wa/rcw-43.19.646"},"notice":"GroundRules: Original legal text. Not legal advice."}