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Japan Airlines Tests Seawater CO2 Capture Technology

August 7, 2026

2 min read

Key Takeaways

Japan Airlines joins pilot test for Direct Ocean Capture technology.
Test will take place on Kume Island in Okinawa Prefecture.
Technology aims to capture CO2 directly from seawater.
Goal is to assess technology's effectiveness and gather operational data.

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Strategic Implications

This pilot may indicate a shift in the aviation industry's approach to carbon offsetting, suggesting a potential new method for reducing emissions. The use of seawater as a source for CO2 capture could provide a more efficient and cost-effective solution, which may benefit industries like shipping and aviation that struggle with electrification.

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What Happened

Japanese Carrier Partners With Hitachi And Mitsui On Innovative Pilot Project

Japan Airlines has partnered with Hitachi and Mitsui O.S.K. Lines to conduct Japan’s first pilot test of a technology that captures carbon dioxide directly from seawater. The test, taking place on Kume Island in Okinawa Prefecture, aims to assess the effectiveness of the Direct Ocean Capture technology and gather practical data on its operation. The companies plan to use the captured CO2 as a raw material for producing sustainable aviation fuel, with the long-term goal of building a self-sufficient carbon economy on the island. The pilot project was announced by AeroTime.

Source | Originally Published: August 4, 2026

Companies Mentioned