Japan’s Cosmo Oil partners with Shimonoseki city to turn waste oil into SAF

February 17, 2026 |

In Singapore, Eco Business reported that Japan’s Cosmo Oil has signed an agreement with the western city of Shimonoseki to collect used cooking oil from households and businesses and convert it into sustainable aviation fuel, part of a broader push to build a domestic supply chain for low-carbon jet fuel as global demand accelerates.

Cosmo Energy Holdings, parent of Cosmo Oil, is Japan’s third-largest oil refiner, operating three refineries with combined capacity of about 363,000 barrels per day and a nationwide fuel distribution network, according to the report.

Under the agreement, Shimonoseki will collect used cooking oil from households and commercial operators, while industry partners will process it into SAF and sell it through Cosmo’s distribution channels.

The project will operate across the entire supply chain from collection and transport to refining and sales, with the oil processed at facilities operated by SAF producer Saffaire Sky Energy and marketed through Cosmo Oil Marketing.

More on the story.

Category: SAF

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