Major real estate firm Mitsubishi Estate Co. and plant operator JGC Holdings Corp. have reached a basic agreement to cooperate in the collection of waste cooking oil for use in producing sustainable aviation fuel (SAF), which has been touted as a means to significantly reduce carbon dioxide emissions, it has been learned.
With the government setting a goal of having domestic production of SAF start by fiscal 2025, it marks an example of how the private sector is also moving into full-scale production and utilization of SAF.
SAF is made from a variety of natural sources, including used cooking oil, household garbage and algae. It is said to reduce CO2 emissions by 60% to 80% compared to jet fuel derived from crude oil. SAF is mixed in with regular jet fuel to produce the final product.
SAF is regarded as a game changer in the effort to decarbonize the aviation sector, but faces the challenge of securing sufficient amounts of waste cooking oil for use as a raw material.
Starting in March 2023, Mitsubishi Estate will serve as an intermediary between restaurants that occupy properties it owns and businesses that collect the used oil. It will then arrange to have the accumulated oil provided to an SAF plant that JGC Holdings plans to start operating as early as fiscal 2024.
Mitsubishi Estate owns 23 buildings in the Marunouchi area around JR Tokyo Station, and waste cooking oil from the about 350 restaurants and company cafeterias in the properties amounts to about 150 tons per year.
That amount can be refined into about 130 kiloliters of SAF. If this is added to a mixture to reduce the use of regular jet fuel by 10%, it would be enough to fuel 105 round-trips between Tokyo and Osaka.
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