March 18, 2025 [Biodiesel Magazine]- Japan-based Cosmo Oil Co. Ltd. on March 6 announced that construction is complete on a sustainable aviation fuel (SAF) plant located within the company’s existing Sakai refinery. The facility, operated by Saffaire Sky Energy LLC, is expected to begin supplying SAF in April.

According to Cosmo, the SAF facility will convert waste oil feedstock into SAF. Once fully operational, the project is expected to have the capacity to produce 30 million liters per year (7.93 MMgy) of SAF.

Cosmo Oil, JGC Holdings and Revo International have been working to develop SAF capacity since 2020. The groups established Saffaire Sky Energy in 2022. Cosmo Oil and JGC Holdings each hold 48% ownership in Saffaire Sky Energy. Revo International holds the remaining 4% ownership.

Saffaire Sky Energy has already secured ISCC CORSIA certification for SAF produced at the new biorefinery.

Cosmo Oil on March 14 announced that the collection of used cooking oil (UCO) to supply feedstock for the SAF facility is already underway. The facility is working with local governments to promote UCO recycling. Most recently, Cosmo announced that an agreement to promote the use of UCO was signed with Suita City, Japan, on March 12. Based on that agreement, Suita City is expected to provide approximately 27,000 liters of UCO to the biorefinery annually.

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