November 25, 2024--Written by Paul Wiseman for Industrial Info Resources (Sugar Land, Texas)--Par Hawaii Refining (Kapolei, Hawaii), in partnership with Hawaiian Airlines, is converting one of its refining units, a distillate hydrotreater, at its 155,000-barrel-per-day (BBL/d) Par East Refinery in Kapolei to produce renewable diesel and sustainable aviation fuel (SAF). It is investing $90 million in the conversion. The refinery, first opened in 1970, is owned by Par Pacific Hawaii Incorporated, which owns refineries, retail locations and a logistics system on all the state's major islands.