The American Bureau of Shipping (ABS) has been selected to class two offshore supply vessels (OSV) being retrofitted with a battery/converter system by Harvey Gulf International Marine, New Orleans.
The 302’x64′ Harvey Energy will become the first ABS-classed dual fuel and battery vessel and the first U.S. flagged OSV equipped with a battery/converter system, according to ABS officials.
The 292’x65.6′ Harvey Supporter will become the second vessel in the Harvey Gulf fleet to have a battery power...
https://www.workboat.com/news/offshore/abs-to-class-first-tri-fuel-vessel-for-harvey-gulf/