![propeller boss cap fin](https://www.marinelog.com/wp-content/uploads/2021/12/PBCF-300x225.jpg)
MOL’s fuel saving PBCF sets Guinness World Record
Mitsui O.S.K. Lines, Ltd. (MOL) reports that the propeller boss cap fin (PBCF) sold by its group company MOL Techno-Trade, Ltd. has been certified as the “Best-selling Energy-Saving Ship Appendage Brand (Cumulative)”