46 C.F.R. § 182.405 Fuel restrictions.
Title 46 - Shipping
The use of alternative fuels, other than diesel fuel or gasoline, as fuel for an internal combustion engine will be reviewed on a case-by-case basis by the Commandant. [CGD 85–080, 61 FR 986, Jan. 10, 1996, as amended by CGD 97–057, 62 FR 51050, Sept. 30, 1997]
Title 46: Shipping
PART 182—MACHINERY INSTALLATION
Subpart D—Specific Machinery Requirements
§ 182.405 Fuel restrictions.