Aether Fuels, a U.S.-based startup, has announced the signing of an agreement with Singaporean refiner Aster to construct its first commercial-scale sustainable aviation fuel (SAF) plant. Situated at Aster’s Pulau Bukom site, the facility is designed to produce approximately 660,000 gallons of SAF annually and aims to begin operations shortly.
The project involves building a demonstration plant for Aether’s proprietary gas-to-liquid SAF production process, signaling a significant step towards scalable, renewable aviation fuels. The produced SAF aims to improve environmental sustainability for the aviation sector by offering a low-carbon alternative.
Industry and Technological Context
Graham Warwick, a journalist leading Aviation Week’s technology coverage, reports that the Singapore plant will serve as a key demonstration facility to validate the production process and facilitate future expansion.
This development aligns with global efforts to reduce aviation’s carbon footprint, and Singapore's strategic initiative to support sustainable aerospace technologies. According to industry sources, the capacity of the facility is a notable achievement for a startup, indicating potential for larger-scale deployments.
Further details on the project’s technological innovations, environmental benefits, and operational timelines are expected to be announced as construction progresses.

