MOSCOW (MRC) -- The Global Center for Maritime Decarbonization (GCMD) found net carbon emissions fell 20% using a vegetable oil biofuel blend compared with very low sulfur fuel oil (VLSFO) in a trial for a dual-fuel liquefied petroleum gas (LPG) carrier, as per Hydrocarbonprocessing.
This was the third of five supply chain bunkering trials that the GCMD has undertaken as part of an USD18-MM project to test different biofuel blends to reduce carbon emissions. The trials are key to helping the fuel and shipping industries come up with green fuels to meet the International Maritime Organization’s 2030 and 2050 decarbonization targets.
The biofuel blend used in the latest trial comprised marine gasoil blended with 30% hydrotreated vegetable oil (HVO) that was produced from 100% waste and residues. Using the HVO resulted in an 83% reduction in emissions compared to using fossil-based marine gasoil, the GCMD said in a statement.
GoodFuels supplied about 200 metric tons of the biofuel blend to the mid-sized gas carrier Kaupang operated by Eastern Pacific Shipping. Meanwhile, blending marine gasoil with 30% biofuel as a pilot fuel for LPG combustion led to a 20% net reduction in emissions versus sailing on very low sulfur fuel oil.
A tracer was dosed with the HVO and blended with marine gasoil onboard the bunker vessel for origin and quantity monitoring. "Transparency is becoming even more crucial as we are now starting to bring the new generation of sustainable marine fuels to market," said Johannes Schurmann, commercial director at GoodFuels.
The remaining supply chain trials will be run in the next few months, while details of the assurance framework will be shared through a public report in early 2024, according to GCMD. Previous trials involved blends comprising used cooking oil methyl ester (UCOME) blended with very low sulfur fuel oil and high sulfur fuel oil respectively.
Biofuel bunkering volumes have trended higher at the world's top bunker hub, Singapore, with bio-blended low sulfur fuel oil sales climbing to a monthly record high in July.
We remind, Midwest distillate inventories increased rapidly in June and early July due to increased regional refinery production and limitations on moving distillate and other products outside the region. Distillate fuel oil includes products such as diesel fuel and heating oil. In the five weeks between June 9 and July 14, regional distillate inventories increased 18% (4.7 million barrels). Prior to June, Midwest regional inventories had been trending near or below the bottom of the previous five-year (2018–22) range.