Archer unveiled plans for a proposed New York City air taxi network in partnership with United Airlines, aiming to transform how New York residents and visitors move around the region. Archer previously announced air taxi networks in San Francisco and Los Angeles. Archer’s goal is to enable passengers to travel... Read more →


Gevo and FEG sign offtake agreement for carbon abatement attributes through SAF

Gevo and Future Energy Global (FEG) signed an offtake agreement for carbon abatement attributes, to enable airlines and other companies to reduce their NO2 emissions through Sustainable Aviation Fuel (SAF). Under the multi-year agreement, FEG will acquire from Gevo the Scope 1 and Scope 3 emissions credits from 10 million... Read more →


Royal Aeronautical Society survey finds only a minority of UK respondents willing to pay more for flying to reduce their carbon emissions

The UK Royal Aeronautical Society (RAeS) recently commissioned Ipsos UK to carry out a survey of more than 2000 UK adults aged 16-75, asking questions relating to the impacts of decarbonizing aviation. A majority of those surveyed considered themselves concerned about climate change, more than half fly at least once... Read more →


Neste started producing sustainable aviation fuel (SAF) at its renewables refinery in Rotterdam

Neste, the world’s leading producer of sustainable aviation fuel (SAF), has started producing SAF at its renewable products refinery in Rotterdam, the Netherlands. The refinery has been modified to enable Neste to produce up to 500,000 tons of SAF per annum. As a result, Neste’s global SAF production capability has... Read more →


Bosch Aviation Technology, a subsidiary of Robert Bosch AG based in Vienna, has converted a conventional aircraft engine for operation with hydrogen as part of an innovation project. The basic unit, a four-cylinder gasoline engine, comes from the Austrian manufacturer BRP-Rotax, a leader in the development and production of powertrain... Read more →


Universal Fuel Technologies pilot demonstrates Flexiforming SAF production pathways

Universal Fuel Technologies (Unifuel) has completed a five-month pilot project that the company says demonstrated the effectiveness and viability of the company’s Flexiforming technology in producing SAF that is chemically comparable to conventional jet fuel from various renewable feedstocks. Flexiforming is a single-stage all gas-phase reaction across established zeolite catalyst... Read more →


Advent Technologies receives go-ahead from Airbus for Phase Two of joint benchmarking project for MEA for hydrogen fuel cells

Advent Technologies Holdings has received the go-ahead decision from Airbus to proceed with Phase Two of the parties’ joint benchmarking project for an optimized Ion Pair Membrane Electrode Assembly (MEA) for hydrogen fuel cells. Having demonstrated continued improvement in Ion Pair MEA performance in Phase One, the parties seek to... Read more →


ZeroAvia has been selected by AFWERX for a Small Business Innovation Research (SBIR) grant to conduct a feasibility study focused on integrating hydrogen propulsion into Cessna Caravan aircraft alongside advanced aircraft automation technology. AFWERX awards aim to address research questions with specific implications for the most pressing challenges in the... Read more →


US refineries produced a record-high share of jet fuel in 2024, reflecting increased demand relative to other transportation fuels, according to the US Energy Information Administration (EIA). Motor gasoline, distillate fuel oil, and jet fuel make up more than 85% of US refinery output, with gasoline making up the largest... Read more →


Fuels like kerosene can be produced in a climate-friendly way from CO2, water and green electricity using Power-to-Liquid processes. Researchers from Karlsruhe Institute of Technology (KIT) have already demonstrated this with systems in actual operation. Now, researchers working on the Kopernikus P2X project have succeeded for the first time in... Read more →


Sikorsky, a Lockheed Martin company has validated the advanced control laws to successfully fly a ‘rotor blown wing’ (RBW) uncrewed aerial system (UAS) in both helicopter and airplane modes. Powered by batteries, the 115 pounds (52kg) twin prop-rotor prototype has demonstrated operational stability and maneuverability across all flight regimes, and... Read more →


Joby Aviation, a California-based company developing electric air taxis for commercial passenger service, will partner with Virgin Atlantic on the launch of Joby’s air taxi service in the UK. The new partnership builds on an existing agreement between Joby and Delta Air Lines—which owns a 49% stake in Virgin Atlantic—to... Read more →


4th Annual H2-Aero Symposium being held in Long Beach

The 4th Annual H2-Aero Symposium is being held 2–3 April in Long Beach, California. Like each of the past meetings, this year’s symposium will feature two days of presentations, including sessions on fuel cell aircraft technology, demonstrations and hydrogen hubs for airports. In addition, interested attendees are invited to SAE... Read more →


Archer partnering with Palantir to build AI for next-gen aviation

Archer Aviation snd Palantir Technologies announced a partnership to build the AI foundation for the future of next-gen aviation technologies. Archer and Palantir plan to work in parallel to develop software for the next-gen of critical aviation systems, including air traffic control, movement control and route planning. For decades, the... Read more →


NASA recently selected 15 visionary ideas for its NIAC (NASA Innovative Advanced Concepts) program which develops concepts to transform future missions. Chosen from companies and institutions across the United States, the 2025 Phase I awardees represent a wide range of aerospace concepts. The combined award for the 2025 concepts is... Read more →


Amprius secures $15M purchase order for SiCore cells from UAS manufacturer

Amprius Technologies, a developer of next-generation lithium-ion batteries with its Silicon Anode Platform, secured a $15-million purchase order from a leading Unmanned Aircraft System (UAS) manufacturer to produce its SiCore cells for UAS applications. The volume purchase order follows successful field trials and qualification, leading to Amprius’ battery being designed... Read more →


The scientists at Rosatom say they have developed a laboratory prototype of a plasma electric rocket engine based on a magnetic plasma accelerator, which exhibits improved thrust performance (at least 6 Newtons) and specific impulse (at least 100 kilometers per second). The project is a part of a comprehensive program... Read more →


Montana Renewables receives $782M drawdown from $1.44B DOE loan facility

Calumet, Inc. announced that Montana Renewables, LLC, an unrestricted subsidiary of Calumet, has received its first drawdown of approximately $782 million from its $1.44-billion guaranteed loan facility with the US Department of Energy (DOE) Loan Programs Office (LPO). The loan funds the construction and expansion of the renewable fuels facility... Read more →


ICCT: aircraft efficiency improvements have stalled, stronger standards needed

The International Council on Clean Transportation (ICCT) released a new analysis of commercial aircraft fuel efficiency from 1960 to 2024, showing that improvements have stagnated since international CO2 standards took effect in 2020. The study comes as policymakers prepare to gather in Montreal on 17 February to update international aviation... Read more →


Gevo and Axens broaden alliance to develop and commercialize bio-based renewable hydrocarbon fuels, accelerate commercializaation of Gevo ETO tech

Gevo and Axens formed a new strategic alliance to accelerate development and commercialization of sustainable aviation fuel (SAF) using the ethanol-to-jet (ETJ) pathway. The goal of the alliance is to leverage Axens’ commercialized Jetanol technology. The alliance brings each partner’s complementary value propositions, real-world experience, substantially de-risked technologies, plant integrations,... Read more →


Archer raises $300M to accelerate hybrid aircraft platform development

Archer has raised $301.75 million , further reinforcing Archer’s strong financial position and strategically positioning it to accelerate the development of its hybrid aircraft platform for the defense market and beyond. Leading institutional investors participated in this financing, including funds and accounts managed by BlackRock. This raise brings Archer’s total... Read more →


The Singapore Airlines (SIA) Group signed a Memorandum of Understanding (MoU) potentially to source neat sustainable aviation fuel (SAF) from Aether Fuels (Aether), a climate technology firm that plans to set up SAF production plants in the United States of America and South East Asia. The agreement outlines the SIA... Read more →


Blue Biofuels signed an agreement to acquire 35.5 acres of land in Frostproof, Florida, marking a significant milestone in the company’s commercialization efforts. The site will house a production facility designed to produce an initial 3 million gallons of biofuel annually. The infrastructure and available land can support future expansion... Read more →


Haffner Energy, LanzaJet, and LanzaTech partner to explore joint biomass-to-Sustainable Aviation Fuel (SAF) projects

Haffner Energy, a solid biomass-to-clean fuels solutions provider, LanzaTech, a carbon management company providing a differentiated syngas-to-ethanol solution, and LanzaJet, an ethanol-to-jet technology company and fuels producer, are working together to explore joint biomass-to-Sustainable Aviation Fuel (SAF) projects covering the entire production value chain. The three companies are exploring SAF... Read more →


Researchers from Washington State University, University of New Haven, and Natural Resources Canada have discovered a way to store and release hydrogen using lignin-based jet fuel; an open-access paper on the work is published in the International Journal of Hydrogen Energy. A new and sustainable liquid organic hydrogen carrier, Lignin... Read more →


IAG makes strategic investment in waste-tires-to-SAF company Wastefront

International Airlines Group (IAG) has invested in Wastefront, a leading tire-to-fuel company, which plans to turn used tires into Sustainable Aviation Fuel (SAF). The SAF will be made by converting waste tires into tire-derived oil (TDO), which is then refined into road fuels and SAF. The SAF produced is expected... Read more →


Boeing partners with Norsk E-Fuel to advance SAF production

Boeing has become a key project development partner of Norsk e-Fuel, supporting one of Europe’s first industrial scale Power-to-Liquids (PtL) facilities. Boeing’s investment will accelerate the production and availability of sustainable aviation fuel (SAF) in the Nordics and globally. It is also intended to support the commercial aviation industry’s and... Read more →


Montana Renewables closes $1.67B DOE loan

The US Department of Energy (DOE) Loan Programs Office (LPO) announced the closing of a $1.67 billion ($1.44 billion of principal and $233 million capitalized interest) loan guarantee to Montana Renewables, LLC (Montana Renewables). (Earlier post.) The loan will help finance the expansion of a renewable fuels facility in Great... Read more →


Avina Clean Hydrogen to build $820M sustainable aviation fuel facility in Southwest Illinois; KBR alcohol-to-jet

Avina Clean Hydrogen will invest $820 million in the development of a sustainable aviation fuel (SAF) production facility in Southwest Illinois. Leveraging KBR’s alcohol-to-jet technology, the facility will produce up to 120 million gallons of ASTM-certified SAF annually. The facility is expected to prevent 25 million metric tons of carbon... Read more →


Korea’s Doosan Enerbility partners with KAI for aircraft engine development

Doosan Enerbility is entering into a technology partnership with Korea Aerospace Industries (KAI) on the development of aircraft engines. The two companies will be cooperating in the following areas in alignment with the Korean government’s mid-to-long term plan for aircraft engine development: development of 15,000 lbf engine for unmanned/ manned... Read more →


Archer partners with Anduril to develop hybrid VTOL military aircraft; raises additional $430M

Anduril Industries and Archer Aviation entered into an exclusive agreement jointly to develop a next-generation aircraft for defense applications. The companies’ first product from this partnership is planned to be a hybrid-propulsion, vertical-take-off-and landing (VTOL) aircraft that will target a potential program of record from the United States Department of... Read more →


Fresh off the announcement about Wright's WM2500 2.5 MW motor spinning freely (earlier post), Wright announced that its WV250 aerospace inverter, built with support from ARPA-E and NASA, is also running. Designed to pair with WM2500, WV250 is a 250 kilowatt (kW) ultra-lightweight and ultra-efficient inverter designed for aerospace applications... Read more →


Bell Textron completed wind tunnel testing at the National Institute for Aviation Research (NIAR) at Wichita State University in support of the DARPA Speed and Runway Independent Technology (SPRINT) program. This test phase follows successful evaluation of the Stop/Fold rotor system using the Holloman High Speed Test Track (HHSTT) in... Read more →


Formula 1 expands Sustainable Aviation Fuel investment through new Qatar Airways program

Formula 1 is expanding its investment in Sustainable Aviation Fuel (SAF) through a new program developed with Global Partner Qatar Airways. The expansion builds upon the previously announced investment alongside Global Logistics Partner DHL, and creates a broader framework for F1 teams and the FIA to participate. In total, the... Read more →


Wright has finished final assembly of its second-generation megawatt-class motor, WM2500, built with support from DOE ARPA-E and NASA. WM2500 is a 2.5 MW (3,300+ horsepower) electric aircraft engine targeted for industry-leading power and power density. It is designed to replace the engine core of a jet engine, enabling current... Read more →


Notre Dame opens world’s first Large Mach 10 Quiet Wind Tunnel

Earlier this month, the University of Notre Dame marked the successful opening of a Large Mach 10 Quiet Wind Tunnel, the first and only facility of its kind in the world. The facility supplies a unique environment for exploring hypersonic flight dynamics, turbulence, flight control, and propulsion. Designed for high-quality... Read more →


Researchers at the Karlsruhe Institute of Technology (KIT) have produced kerosene-range fuels from C2-4 olefins and mixtures thereof via (co–)oligomerization. An open-access paper on their study is published in the journal Fuel. —Fuchs et al. A very promising pathway [for the production of SAF] is the methanol- or dimethyl ether... Read more →


SkyDrive and SAI Flight Unveil plans for commercial electric air taxi routes in South Carolina, confirm pre-order of 10 eVTOL aircraft

Japan-based eVTOL manufacturer SkyDrive and Greenville Downtown Airport,South Carolina’s busiest general aviation hub, signed a Memorandum of Understanding (MOU) jointly to develop innovative business opportunities utilizing the SKYDRIVE eVTOL aircraft. The collaboration will focus on advancing air-cargo, air-taxi, and emergency service use cases, paving the way for a new era... Read more →


Corteva announces intent to partner with bp to develop low carbon intensity bio-feedstock for SAF production

Global pure-play agriculture company Corteva Inc. announced a collaboration with bp on the companies’ shared intent to form a crop-based biofuel feedstock joint venture (JV). The JV envisaged by Corteva and bp would produce and deliver crop-based biofuel feedstocks to help meet the anticipated growth in demand for sustainable aviation... Read more →


Topsoe to provide technology for one of Brazil’s first commercial-scale SAF production plants

Topsoe has signed an agreement with Refinaria de Petróleo Riograndense SA (Riograndense), to provide its HydroFlex and H2bridge technologies for sustainable aviation fuel (SAF) and renewable diesel production at Riograndense’s Rio Grande renewable fuels plant in Brazil. The production addresses the rapidly growing demand for SAF. As cited by the... Read more →


Neste to supply 60,000 tonnes of SAF to Air Canada; first time Neste MY Sustainable Aviation Fuel will be supplied to Canada

Neste and Air Canada have signed an agreement for the supply of 60,000 metric tons (77.6 million liters) of neat Neste MY Sustainable Aviation Fuel. Neste will deliver the sustainable aviation fuel (SAF) blended with conventional jet fuel to the Vancouver marine terminal starting in December 2024, with further shipments... Read more →


SAE International and EUROCAE jointly announced the publication of “Hydrogen Fueling Stations for Airports, in Both Gaseous and Liquid Form.” These documents serve as the first worldwide hydrogen station guidelines for the aerospace industry. SAE AIR8466, developed in collaboration with EUROCAE’s ER034, provides the first step in defining performance targets... Read more →


The carbon footprint from private jet travel grew 46% between 2019 and 2023 according to a new open-access study published in Communications Earth & Environment. The European research team calculated the sector’s CO2 emissions using flight tracker data from the ADS-B Exchange platform for the period 2019 to 2023. Flight... Read more →


Archer Aviation and Soracle Corporation—a joint venture newly established by Japan Airlines and Sumitomo Corporation—signed agreements focused on bringing advanced air mobility (AAM) services to Japan. Soracle plans to launch its AAM operation in Japan using Archer’s Midnight aircraft, with the goal of offering electric air taxi flights in cities... Read more →


Joby Aviation and Toyota accelerate efforts to realize air mobility

Toyota Moto and Joby Aviation came together at Toyota’s Higashi-Fuji Technical Center (Shizuoka, Japan) to assert their collective passion and ambition for air mobility in a gathering that included executives from both companies, Akio Toyoda, the chairman of the Toyota Group, and Joby CEO and founder, JoeBen Bevirt, along with... Read more →


CARB and airlines partner to accelerate use of SAF for flights in California

California has reached an agreement with the nation’s leading passenger and cargo airlines to accelerate the use of sustainable aviation fuel for flights within the state. In an announcement made today at San Francisco International Airport (SFO), the California Air Resources Board (CARB) and Airlines for America (A4A), an industry... Read more →


PowerCell Group has signed a new Memorandum of Understanding (MoU) with ZeroAvia to collaborate on next-generation fuel cell technologies. The partners are to explore co-development of fuel cell technologies for aerospace applications and other segments in need of heavy-duty fuel cell systems with high energy output. Joint R&D will focus... Read more →


Avfuel to expand sustainable aviation fuel access in Southeastern US

Avfuel Corporation is expanding blended Sustainable Aviation Fuel (having target percentages of 30% neat SAF and 70% conventional jet fuel) (SAF) across the southeastern United States supplied from Valero Marketing and Supply Company (Valero), a subsidiary of Valero Energy Corporation. The supply agreement with Valero significantly increases Avfuel’s volume and... Read more →


FAA issues final rule for qualifications and training for powered-lift category; enabling eVTOLs

The Federal Aviation Administration (FAA) issued a final rule for the qualifications and training that instructors and pilots must have to fly aircraft in the “powered-lift” category—the first completely new category of civil aircraft since helicopters were introduced in the 1940s. Powered lift operations include air taxis, cargo delivery and... Read more →


The US Space Force is providing $35 million to a national research team led by the University of Michigan. It will be the first to bring fast chemical rockets together with efficient electric propulsion powered by a nuclear microreactor. The newly formed Space Power and Propulsion for Agility, Responsiveness and... Read more →