A self-propelled, 53- by 18-foot, 10,000 gallon, USCG inspected, double-hull tankship designed by JMS Naval Architects, Mystic, Conn., is unique for its compact size and diesel outboard propulsion.
Currently under construction at St. Johns Ship Building, Palatka, Fla., for
Intracoastal Marine Fuel (IMF) of Jupiter, Fla., it is the smallest vessel to receive U.S. Coast Guard plan approval as a Subchapter D tankship.
IMF will use the vessel to deliver marine diesel to mega-yachts, commercial, and...
https://www.marinelog.com/news/jms-designs-53-foot-tankship-with-diesel-outboard-propulsion/