{"data":{"id":"us/46-cfr-143.255","jurisdiction":"us","citation":"46 CFR 143.255","heading":"Fuel system requirements.","body":"(a) Fuel systems for towing vessel main engines and generators must have a documented maintenance plan to ensure proper operation of the system.\n(b) A continuous supply of clean fuel must be provided to main propulsion engines and generators.\n(c) The fuel system must include filters and/or purifiers. Where filters are used:\n(1) A supply of spare fuel filters must be provided onboard; and\n(2) Fuel filters must be replaced in accordance with manufacturer's requirements or the vessel's TSMS, if applicable.\n(d) Except as otherwise permitted under § 143.210 or § 143.520, no fuel other than diesel fuel may be used.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER M—TOWING VESSELS","PART 143—MACHINERY AND ELECTRICAL SYSTEMS AND EQUIPMENT","Subpart B—Requirements for All Towing Vessels"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"07c42cb662517f9c412a38a42adc8b1c1e807b5ea2db8669a2b0a1aeeae230c0","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-143.250","next":"us/46-cfr-143.260"},"notice":"GroundRules: Original legal text. Not legal advice."}