Singapore Airlines (SIA) Group – a Headline Partner of APEX FTE Asia Expo, Singapore, 11-12 November 2025 – has signed a Memorandum of Understanding (MoU) to potentially source neat Sustainable Aviation Fuel (SAF) from Aether Fuels, a climate technology firm that plans to set up SAF production plants in the U.S. and South East Asia.
The agreement outlines SIA Group’s intention to procure neat SAF for five years when Aether plants begin commercial production, with an option for a five-year extension. The neat SAF will be blended with regular jet fuel before being supplied to selected airports served by Singapore Airlines and Scoot.
Aether will use waste carbon feedstock to produce the fuel, employing its innovative and proprietary Aether Aurora technology. This method reduces plant capital cost, increases production efficiency, and achieves higher SAF yields compared to existing techniques.
“This partnership marks another step in the SIA Group’s journey towards our long-term decarbonisation goal of net zero carbon emissions by 2050,” said Ms Lee Wen Fen, Chief Sustainability Officer, Singapore Airlines. “By collaborating with like-minded ecosystem partners such as Aether, we aim to accelerate and scale up the adoption of SAF in our flight operations, laying the groundwork for more sustainable air travel.”
Aether was incubated and funded in 2022 by Xora, a deep tech venture firm backed by Temasek. Since then, it has grown its South East Asia team while expanding its operations in Chicago, where its research and development hub is located. Aether’s upcoming commercial-scale production projects in the U.S. and South East Asia will produce Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA)-certified SAF.
“We are proud to join the SIA Group’s ecosystem of SAF technology innovators,” said Conor Madigan, Chief Executive Officer, Aether Fuels. “Their decarbonisation goals are catalysing ingenuity throughout the supply chain and galvanising companies like Aether to develop production solutions that pair breakthrough technologies with next-generation feedstock strategies. The collaboration will deepen our understanding of the end-user customer priorities and of the SAF market, particularly in South East Asia. These advantages will further inform our project development programmes and accelerate our path to commercialisation.”
Singapore Airlines is a Headline Partner of APEX FTE Asia Expo, taking place at the Marina Bay Sands Expo & Convention Centre in Singapore on 11-12 November 2025. This year’s 15th anniversary event is themed ‘Accelerating Innovation’ and will focus on innovation, technology, digital transformation, retail strategies, and commercial growth in the rapidly evolving aviation sector in the APAC region.
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