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Aether Fuels raises $34m in Series A

The investment round, led by AP Ventures, will allow Aether to scale up its transformed Fischer-Tropsch technology to produce sustainable fuels.

Aether Fuels (Aether), an advanced climate technology company, today announced that it has secured $34 million in Series A financing from a syndicate of global investors, according to a news release.

AP Ventures led the round, which also includes Chevron Technology Ventures, CDP Venture Capital and Zeon Ventures. Series Seed lead investor Xora Innovation and other existing investors TechEnergy Ventures, Doral Energy-Tech Ventures, Foothill Ventures and JetBlue Ventures also participated.

With this financing, Aether plans to accelerate the scale-up of Aether Aurora™, the company’s proprietary technology to create sustainable fuels for the aviation and ocean shipping industries. Aether Aurora, which leverages technology licensed from Aether’s strategic partner GTI Energy, delivers breakthrough economics via a transformed Fischer-Tropsch (FT) process by combining innovations in chemistry (catalysts), equipment (reactors), and process flows to slash plant investment and operating costs, while simultaneously driving up yield. It is also highly flexible, enabling the conversion of a wide range of abundant waste carbon feedstocks into jet fuel and other liquid hydrocarbons and therefore overcomes the supply constraints faced by many other sustainable aviation fuel (SAF) production processes.

Aether will use the new capital to further expand its world-class research and development (R&D) infrastructure, scale up its novel catalysts and process technology, and expand and accelerate the construction of a fully integrated 100 gallon-per-day (gpd) test production plant that builds on the successful operation of an existing 1.5 gpd pilot line. In addition, the company will begin developing a pipeline of commercial-scale production facilities that include projects in the U.S. and Southeast Asia to produce SAF and other high-value sustainable liquid fuels, in collaboration with select strategic partners.

To facilitate this work, Aether and GTI Energy have partnered to establish an Aether R&D center within GTI Energy’s Chicago-area campus, where the existing 1.5 gpd line, and the 100 gpd plant under construction, are located. This partnership began in 2022 seeking to build on a gas-to-liquid (GTL) technology program initiated by GTI Energy in 2016. The Aether Aurora solution leverages critical innovations from that GTL program.

Because Aether Aurora was engineered from the ground up for feedstock flexibility it is suitable for e-fuel, biofuel, and recycled carbon fuel projects. Such projects can efficiently consume captured carbon dioxide, industrial waste gases, biogas, treated agricultural residues, and more. When combined with its cost efficiency, this adaptability establishes Aether Aurora as a highly differentiated solution.

Madigan added, “With their deep knowledge and experience in the industry, our investors’ decision indicates their support of Aether’s unique approach. We look forward to leveraging their expertise as we continue to execute.”

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