Aether Fuels
Aether Fuels is a climate technology company developing the Aether Aurora platform, a proprietary Fischer-Tropsch-based process that converts waste carbon streams into CORSIA-certified sustainable aviation fuel, diesel, and naphtha for commercial airlines and ocean shipping operators, with its first commercial-scale facility (Project Beacon) targeted in Singapore for 2028.
- Company typePrivate
- Founded2022
- HeadquartersSan Francisco, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Aether Fuels does
Aether Fuels is a venture-backed climate technology company founded in 2022 that develops and is commercializing the Aether Aurora platform, a proprietary process intensification of the Fischer-Tropsch gas-to-liquid pathway designed to convert waste carbon streams (industrial waste gas, biomethane, captured CO2, biomass) into drop-in sustainable liquid fuels. The platform combines an electrified syngas generation step via a novel Tri-Converter reactor, third-party Fischer-Tropsch conversion, and an intensified upgrading stage driven by three proprietary catalysts that consolidate equipment count and reduce both CapEx and operating cost. The core technology was developed over eight years and $12M+ of prior R&D by GTI Energy under a DOE-funded program that began in 2016, and Aether holds an exclusive global license to the foundational GTL technologies from GTI, with R&D operations anchored at GTI's Chicago-area campus.
The company's primary end products are CORSIA-certified sustainable aviation fuel (SAF), sustainable diesel, and sustainable naphtha, targeted at commercial airlines and ocean shipping operators that face regulatory and voluntary pressure to decarbonize. Aether is pre-revenue at commercial scale; its current physical footprint is a 100 gallon-per-day test production facility in Chicago and a 1+ barrel-per-day fully integrated demonstration plant under construction at RTI International in North Carolina. Commercial-scale production is targeted for 2028 via Project Beacon, a partnership with Aster at the Pulau Bukom refinery in Singapore designed to produce up to 50 barrels of SAF per day. Customer agreements are structured as long-term offtake commitments — notably a five-year neat SAF purchase commitment with Singapore Airlines Group and an MOU pathway with JetBlue — rather than spot sales.
Aether's go-to-market combines enterprise field sales to anchor airline and shipping customers with strategic channel partnerships to energy and refining companies (Aster, with potential site integration), technology partners (GTI Energy, RTI International) for demonstration and scale-up, and downstream blending partners (FlyORO). The company has raised over $60M across three funding rounds from a syndicate that includes Temasek-backed Xora Innovation (incubator and Board Chair), AP Ventures (Series A lead), and corporate venture arms of Chevron, Eni, JetBlue, Techint, and Doral Energy, alongside new strategic investors Aster Ventures and EDBI. Principal operations are split between Chicago (HQ) and Singapore, with the company venture-built by Xora Innovation.
Aether Fuels firmographics
Firmographics- Name
- Aether Fuels
- Legal name
- Aether Fuels
- Website
- https://aetherfuels.com
- Company type
- Private
- Founded year
- 2022
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Aether Fuels is a climate technology company developing the Aether Aurora platform, a proprietary Fischer-Tropsch-based process that converts waste carbon streams into CORSIA-certified sustainable aviation fuel, diesel, and naphtha for commercial airlines and ocean shipping operators, with its first commercial-scale facility (Project Beacon) targeted in Singapore for 2028.
- Ownership category
- akta.pro rank
Aether Fuels industry classification
Industry- Product category
- Sustainable Aviation Fuel Production
- NAICS
- Petroleum Refineries (32411)
- SIC
- Petroleum Refining (2911)
- akta.pro primary industry
- Sustainable Aviation Fuel (SAF) Production (HEFA, FT, ATJ) (EUAAAHAE)
- akta.pro secondary industries
- CO₂‑Derived Synthetic Fuels for Aviation & Marine (SAF e‑fuels, e‑ammonia/e‑methanol bunkering pathways) (EUABAIAH), E‑Fuels & Synthetic Hydrocarbons (e‑kerosene, e‑diesel, e‑gasoline, e‑methane) (EUABAIAA)
Keywords
Where Aether Fuels is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Aether Fuels business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Operations, Personnel, Infrastructure, Supply Chain
Revenue model
- Sustainable Aviation Fuel (SAF) Production and Sales: Production and sale of sustainable aviation fuel and other sustainable liquid hydrocarbons (diesel, naphtha) to aviation and shipping industries. Revenue generated from long-term offtake agreements with airlines and potentially shipping companies. The company operates production facilities and sells finished fuel products.
Go-to-market motion3 records
Distribution channels2 records
Marketing channels5 records
Aether Fuels product offering
Product offeringCore offering
Aether Fuels develops and operates the proprietary Aether Aurora™ technology platform, which converts waste carbon streams (industrial waste gas, biomethane, captured CO2, biomass) into drop-in sustainable aviation fuel (SAF), sustainable diesel, and sustainable naphtha. The technology combines electrified syngas generation via the Aurora Tri-Converter, third-party Fischer-Tropsch conversion, and intensified upgrading with proprietary catalysts. Aether produces and sells finished fuel products under long-term offtake agreements with airlines and shipping operators, and is developing commercial-scale production facilities in the U.S. and Singapore.
Product overview
Aether Fuels offers a unified product architecture centered on the Aether Aurora™ technology platform, a breakthrough sustainable fuel production solution that converts diverse waste carbon feedstocks into drop-in liquid fuels. The portfolio includes the core Aurora platform technology for sustainable aviation fuel (SAF), sustainable diesel, and sustainable naphtha production; Project Beacon, the first commercial-scale SAF production facility in Southeast Asia being developed in partnership with Aster at their Pulau Bukom refinery; and a 1+ barrel per day demonstration plant at RTI International in North Carolina that validates the Aurora technology at integrated scale before commercial deployment.
Differentiator
Problem solved
Functional benefit
Products and services
- Aether Aurora™ Sustainable Fuel Technology Platform Proprietary sustainable fuel production technology platform that converts waste carbon streams (industrial waste gas, biomethane, captured CO2, biomass) into drop-in liquid fuels including sustainable aviation fuel (SAF), sustainable diesel, and sustainable naphtha. Licensed for use in Aether-operated and partner-operated production facilities.
- Project Beacon Commercial SAF Production Facility First next-generation commercial-scale sustainable aviation fuel production facility in Southeast Asia. Located at Aster Pulau Bukom in Singapore, designed to produce up to 50 barrels per day (2,000 tonnes per year) of CORSIA-certified SAF with more than 70% reduction in lifecycle greenhouse gas emissions compared to conventional jet fuel. Supplies Singapore Airlines Group under a five-year neat SAF purchase commitment with five-year extension option.
- 1+ Barrel-Per-Day Integrated Aurora Demo Plant Fully integrated demonstration plant at RTI International's Pilot Xcelerator facility in Research Triangle Park, North Carolina. Integrates Aether Aurora Tri-Converter technology, Aurora Upgrading technology, and RTI's Fischer-Tropsch reactor to validate scalable SAF production technology and gather 1000+ hours of operational data before commercial deployment.
- 100 Gallons-Per-Day Test Production Facility Scaled-up test production facility located at GTI Energy's Chicago-area campus in Des Plaines, Illinois. Producing up to 100 gallons per day of sustainable fuel for ongoing technology validation, catalyst testing, and operational data gathering in support of Aether Aurora technology commercialization.
Quantifiable outcome
- Project Beacon will produce up to 50 barrels per day (2,000 tonnes per year) of CORSIA-certified SAF
- +3 more outcomes
Companies that use Aether Fuels
Customer profileNamed customers2 records
Segments3 records
Ideal customer profiles3 records
Aether Fuels technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Aether Fuels partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered strategic, flagship and core.
- FlyORO TechnologiesstrategicNon-binding MOU to explore integrated SAF supply-chain and blending solutions for Project Beacon and future Aether projects. FlyORO will contribute its modular AlphaLite blending platform to assess flexible, on-demand blending complementing Project Beacon and future facilities. The collaboration evaluates pairing production technology with blending, storage, certification workflows, logistics, and downstream market-delivery models.
- AsterflagshipPartnership to develop Project Beacon, Southeast Asia's first next-generation commercial-scale SAF production facility at Aster Pulau Bukom in Singapore. Aster provides renewable power, waste carbon feedstock, utilities, and site support. Aster Ventures (VC arm) invested in Aether's $15M financing round. Facility will use Aether Aurora technology to produce up to 50 barrels per day of CORSIA-certified SAF.
- RTI InternationalcoreCooperation to demonstrate Aether Aurora sustainable fuel production solution in a fully integrated one barrel-per-day plant. Plant assembled at RTI Pilot Xcelerator (RPX) facility in Research Triangle Park, North Carolina. RTI contributes demonstration-size Fischer-Tropsch reactor, space, infrastructure, and core technologies. Project will gather 1000+ hours of fully integrated operational data.
- Singapore Airlines GroupflagshipFive-year neat SAF purchase commitment with option for five-year extension. SIA Group to procure neat SAF when Aether plants begin commercial production, to be blended with regular jet fuel at selected airports served by Singapore Airlines and Scoot. Supports SIA Group's target of 5% SAF incorporation by 2030 and net-zero by 2050.
- JetBluestrategicMOU creating pathway for Aether to supply SAF to JetBlue when commercial production begins. JetBlue Ventures (corporate VC) previously invested in Aether's convertible note and Series A financings. First MOU for Aether in the SAF space.
- GTI EnergycoreStrategic partnership and global exclusive licensing agreement to commercialize scalable sustainable fuel production technology. GTI Energy developed foundational GTL technology through a program initiated in 2016 with $6M in DOE grants. Aether established R&D center at GTI Energy's Chicago campus. GTI provides laboratory and demonstration spaces, with technology transfer program enabling Aether to take over further R&D and scale the solution.
Scale indicators6 records
Recent moves8 records
Expansion highlights6 records
Aether Fuels competitors and assessment
Company assessmentDirect peers
- Velocys: Fischer–Tropsch microchannel reactor technology for converting biomass and waste gases to SAF and diesel. Directly comparable FT-based pathway with similar end-products and target customers.
- Infinium: e-fuels producer using reverse-water-gas-shift plus FT to make drop-in SAF and e-diesel from green hydrogen and captured CO2. Competes with Aether for the same e-SAF mandate-driven demand.
- HIF Global: Develops e-fuels/e-SAF projects using Haru Oni (Siemens/Harbin) methanol-to-Gasoline technology with multiple sites in Chile, US, and Australia. Direct competitor in the e-SAF space targeting aviation offtakes.
- LanzaTech: Closest direct peer: gas-fermentation route to ethanol then-to-jet SAF, with marquee offtakes and project announcements targeting the same airline and shipping customers as Aether. Competes head-to-head for SAF mandate compliance volumes.
Emerging players
- Sunfire: German e-fuels company developing high-temperature electrolysis plus FT/Co-FT to produce e-kerosene and e-diesel. Comparable CO2-to-liquid approach with multiple EU project announcements competing for ReFuelEU demand.
- Twelve (formerly Opus 12): CO2-to-products company developing pathways to jet fuel and chemicals via electrochemistry. Adjacent technology route (electrocatalytic vs Aether's FT) but competes for the same waste-CO2 feedstock and SAF mandate-driven market.
- Alder Renewables: Developer of hydrothermal liquefaction and other next-gen pathways to SAF from wet biomass. Adjacent next-generation SAF route; Aether VP of BD (Claudio Bertelli) was previously VP at Alder.
Broad incumbents
- Neste: World's largest SAF producer today via HEFA pathway (used cooking oil, animal fats). Dominant incumbent that Aether's gas-to-liquids pathway must displace or complement as airlines diversify away from limited HEFA feedstocks.
- Honeywell UOP: Major process technology licensor for refining, including FT, hydroprocessing, and SAF pathways. Several Aether alumni came from UOP, and UOP's Ecofining (HEFA) is a competing SAF technology broadly licensed across the industry.
- Topsoe: Established catalyst and process technology licensor with proprietary FT and e-fuels technologies (e.g., e-Jet, eSAF). Competes as licensor/supplier rather than operator but shapes the competitive landscape Aether must navigate.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Aether Fuels social profiles
Digital presenceAether Fuels compliance and trust
Trust signalCompliance1 record
Aether Fuels financial estimates
Financial estimateRevenue estimate
Valuation estimate
Aether Fuels leadership team
Management profileNumber of profiles
Profiles15 records
Aether Fuels funding detail
Funding detailFunding overview
Funding rounds6 records
Investors16 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Aether Fuels M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Aether Fuels
What does Aether Fuels do?
Aether Fuels develops and operates the proprietary Aether Aurora™ technology platform, which converts waste carbon streams (industrial waste gas, biomethane, captured CO2, biomass) into drop-in sustainable aviation fuel (SAF), sustainable diesel, and sustainable naphtha. The technology combines electrified syngas generation via the Aurora Tri-Converter, third-party Fischer-Tropsch conversion, and intensified upgrading with proprietary catalysts. Aether produces and sells finished fuel products under long-term offtake agreements with airlines and shipping operators, and is developing commercial-scale production facilities in the U.S. and Singapore.
Is Aether Fuels a public or private company?
Aether Fuels is a private company. It is classified as venture growth investor backed and is currently operating.
When was Aether Fuels founded?
Aether Fuels was founded in 2022. It employs 11 to 50 people.
Where is Aether Fuels based?
Aether Fuels is headquartered in San Francisco, United States, in the North America region.
How does Aether Fuels make money?
One revenue line is on record: sustainable Aviation Fuel (SAF) Production and Sales.
Who are Aether Fuels's main competitors?
Direct peers on record are Velocys, Infinium, HIF Global and LanzaTech. Emerging players are Sunfire, Twelve (formerly Opus 12) and Alder Renewables. Broad incumbents are Neste, Honeywell UOP and Topsoe.
Does Aether Fuels have an API?
No public API is recorded for Aether Fuels.
What industry is Aether Fuels in?
Aether Fuels's product category is Sustainable Aviation Fuel Production. Its primary akta.pro industry code is EUAAAHAE, Sustainable Aviation Fuel (SAF) Production (HEFA, FT, ATJ), with a secondary code of EUABAIAH, CO₂‑Derived Synthetic Fuels for Aviation & Marine (SAF e‑fuels, e‑ammonia/e‑methanol bunkering pathways). Its NAICS code is 32411 and its SIC code is 2911.