Sustainable Aviation
The Aviation Challenge Advances Sustainable Aviation with KLM Leadership
The Aviation Challenge fosters industry-wide sustainable aviation innovations with KLM’s initiatives and measurable CO₂ reductions.
The Aviation Challenge (TAC) has emerged as a leading force in the commercial aviation industry’s pursuit of Sustainability. With KLM’s filtered seawater initiative at the forefront, the challenge exemplifies how airlines are rethinking operations to reduce environmental impacts. Organized by the SkyTeam airline alliance, TAC has evolved from its beginnings as The Sustainable Flight Challenge, now focusing on measurable, industry-wide impact. The 2025 theme, “IMPACT,” underscores the aviation sector’s shift from experimental sustainability measures to scalable, practical solutions that can be adopted globally. KLM, now in its fourth year of participation, showcases a suite of innovations, from AI-powered water calculation to filtered seawater bottles, demonstrating a holistic approach to reducing aviation’s environmental footprint.
This article explores the origins and evolution of The Aviation Challenge, details KLM’s leadership and specific sustainability initiatives, reviews industry-wide participation and measurable outcomes, and examines the broader context of aviation decarbonization. By analyzing these facets, we aim to provide a balanced, fact-based perspective on how collaborative innovation is shaping the future of sustainable flight.
The Aviation Challenge was conceived by SkyTeam as a response to the pressing need for collective action in aviation sustainability. Drawing inspiration from the 1934 World’s Greatest Air Race, TAC reimagines competition by focusing on environmental stewardship rather than speed. The initiative was rebranded from The Sustainable Flight Challenge in July 2024, signaling a broader vision that encompasses operational efficiency, passenger experience, and industry transformation, in addition to environmental goals.
SkyTeam’s CEO, Patrick Roux, has emphasized the importance of collaboration, noting, “when it comes to operating more responsibly, The Aviation Challenge demonstrates how even small changes add up to make a big difference when we work together.” This ethos underpins the challenge’s structure, which encourages incremental operational improvements alongside the pursuit of breakthrough technologies. The challenge’s reach has grown steadily, with 24 Airlines participating in 2024 and 22 confirmed for 2025, including new entrants beyond the SkyTeam alliance.
Since its inception, TAC has involved 28 unique airlines, resulting in the development and implementation of over 500 innovative solutions. The commitment to sharing these solutions industry-wide has created a collaborative knowledge base, benefiting not just individual airlines but the entire sector as it strives for sustainability.
KLM’s approach to The Aviation Challenge is multifaceted, addressing sustainability across all stages of flight operations. The airline’s filtered seawater bottles initiative, for example, tests the use of filtered seawater as an alternative to standard bottled water. This reduces onboard weight, cuts packaging waste, and explores new resource streams, aligning with KLM’s strategy of involving passengers in environmental efforts without compromising service quality.
Another standout is KLM’s AI-based water calculation system, which uses artificial intelligence to predict the exact amount of water needed onboard. This reduces unnecessary weight and emissions by eliminating the historical practice of over-provisioning. Pilots are also testing new efficiency tools to optimize flight paths, leveraging real-time data and advanced planning software to minimize fuel consumption and emissions.
KLM’s meal pre-selection in World Business Class allows passengers to choose meals in advance, reducing food waste and encouraging lighter packing. Meanwhile, the airline’s digital boarding pass initiative has led to an 84% reduction in printed passes since May 2024. Additionally, KLM offers priority boarding to passengers contributing to Sustainable Aviation Fuel (SAF), directly linking customer participation to sustainability funding. “KLM’s four consecutive years of participation have established it as a leader in aviation sustainability innovation, with its 2025 initiatives demonstrating a shift from experimental concepts to scalable operational improvements.”
Showcase flights for 2025 include routes such as Amsterdam-Rome (Airbus A321neo), Amsterdam-Nairobi (long-haul), and Amsterdam-Kraków (Embraer E195-E2). These flights serve as testbeds for multiple sustainability initiatives under real operational conditions.
The Aviation Challenge’s effectiveness is measured not just by individual innovations but by its ability to drive industry-wide improvements. In 2024, 24 airlines operated 33 showcase flights, achieving a 10% average improvement in CO₂ intensity and a 20%+ reduction compared to the industry average. Even with a 9% increase in revenue tonne-kilometers, total CO₂ emissions per flight decreased by 2%, proving that sustainability can align with operational growth.
The challenge received 327 innovative solution submissions in 2024, evaluated by experts from organizations like the Netherlands Aerospace Centre. Of these, 141 solutions have been implemented by airlines, demonstrating a practical transition from concept to operational reality. Award categories cover direct impact, organizational transformation, leadership, and inspiration, ensuring recognition across all facets of sustainability.
Participating airlines commit to sharing their solutions, creating a culture of open innovation. This collaborative environment is critical for scaling successful initiatives and establishing new industry standards.
“The 2024 challenge results provide compelling evidence of the initiative’s effectiveness in driving measurable environmental improvements.”
Sustainable Aviation Fuel (SAF) is widely regarded as the most promising decarbonization pathway for aviation in the near to mid-term, yet its adoption remains limited. SAF currently accounts for about 0.1% of the global jet fuel market, primarily due to high costs and limited production capacity. However, 2024 saw supplied volumes double to 1 million tonnes, and regulatory mandates in regions like the EU and UK are set to accelerate adoption from 2025 onward.
The European Union’s SAF mandate requires a gradual increase in SAF usage, from 2% in 2025 to 70% by 2050. While SAF is 2-6 times more expensive than conventional jet fuel, about 60 airlines have set specific SAF targets for 2030, reflecting a strong industry commitment. Most SAF is currently produced using Hydrotreated Esters and Fatty Acids (HEFA) technology, which relies on limited feedstocks like used cooking oil. Alternative pathways such as Fischer-Tropsch and Alcohol-to-Jet are being explored for scalability and cost-effectiveness.
Lifecycle analyses show that SAF can reduce emissions by up to 85% compared to fossil jet fuel. Leading suppliers like SkyNRG avoid food crop-based feedstocks to prevent deforestation and food security issues, focusing instead on waste streams and captured carbon. The sector is also exploring synthetic fuels and carbon capture as future solutions, though these technologies are not yet commercially viable at scale.
Aviation accounts for approximately 2.5% of global CO₂ emissions, with a small percentage of the population responsible for the majority of flights. The International Civil Aviation Organization (ICAO) and the International Air Transport Association (IATA) have both set net-zero targets for 2050, but these ambitions face challenges related to implementation, reliance on offsets, and the need for interim benchmarks. Technological solutions beyond SAF include electric and hydrogen propulsion. Electric aircraft are limited to short-haul routes due to battery constraints, while hydrogen-powered flight requires major infrastructure changes and is still in early development. Investments in SAF production, such as World Energy’s $5 billion commitment in the US, demonstrate confidence in the sector’s long-term potential.
The transition will require coordinated investment, supportive government policy, and continued innovation. Policy tools like production tax credits, research funding, and infrastructure investment will be critical for scaling up sustainable aviation technologies and practices.
“To align with 1.5°C temperature targets, the international aviation industry needs to reduce CO₂ emissions by 90% below 2019 levels by 2050, while making deep cuts to non-CO₂ emissions.”
Airlines like KLM are optimizing aircraft weight by introducing lighter catering equipment and cargo pallets, which can save up to 150 kilograms per flight. Electrification of ground operations, as seen with Air France’s commitment to 100% electric ground equipment by 2030, reduces airport emissions and operational costs.
Flight operations are being optimized through advanced planning, AI, and collaboration with air traffic control. Maintenance practices, such as KLM Cityhopper’s engine washing, enhance fuel efficiency and component longevity. Catering and cargo operations are also being reimagined to reduce waste and emissions, with initiatives like SAS’s recycled cardboard pallets and Kenya Airways’ local basket use.
Digital transformation, including mobile boarding passes and electronic documentation, further reduces waste and enhances operational efficiency. These changes demonstrate that sustainability improvements can be integrated seamlessly into existing operations.
Passenger engagement is becoming a cornerstone of airline sustainability strategies. KLM’s priority boarding for SAF contributors and filtered seawater bottles are examples of how airlines are incentivizing environmentally conscious behavior. Education around baggage weight and digital engagement platforms further empower travelers to participate in sustainability efforts.
Airlines are leveraging in-flight announcements and digital channels to communicate the benefits of sustainability initiatives, while tracking participation rates and environmental outcomes. Balancing passenger convenience with environmental goals remains a key challenge, requiring careful design and transparent communication.
Success metrics include reductions in printed boarding passes, baggage weight, and food waste, as well as increased participation in SAF programs and positive passenger feedback on sustainability efforts. The Aviation Challenge exemplifies the aviation industry’s shift toward collaborative, measurable sustainability efforts. KLM’s diverse initiatives, from filtered seawater bottles to AI-driven resource management, illustrate how airlines can systematically address environmental impacts without compromising service or efficiency. The challenge’s evolution and expansion signal a maturing industry approach, moving from isolated experiments to integrated, scalable solutions.
As the sector works toward net-zero emissions, TAC’s results, such as a 10% improvement in CO₂ intensity and the successful implementation of 141 new solutions, demonstrate that meaningful progress is achievable through industry-wide collaboration. The future of sustainable aviation will depend on continued innovation, supportive policy, and the willingness of airlines, passengers, and stakeholders to embrace change for the benefit of both the industry and the planet.
What is The Aviation Challenge? How is KLM contributing to sustainable aviation? What is Sustainable Aviation Fuel (SAF) and why is it important? How are airlines measuring the impact of their sustainability initiatives? What are the main challenges for the aviation industry in achieving net-zero emissions? Sources:
The Aviation Challenge: Revolutionizing Sustainable Aviation Through Innovation and Collaboration
The Aviation Challenge: Origins and Evolution of Industry Collaboration
KLM’s Innovation Leadership and Specific Initiatives
Industry-Wide Participation and Impact Measurement
Sustainable Aviation Fuel and Technology Pathways
Global Aviation Decarbonization Context and Future Outlook
Operational Innovation and Implementation Strategies
Passenger Engagement and Behavioral Change Initiatives
Conclusion
FAQ
The Aviation Challenge is a global initiative, organized by the SkyTeam alliance, that encourages airlines to develop, test, and share innovative solutions to reduce aviation’s environmental impact.
KLM is piloting several initiatives, including filtered seawater bottles, AI-driven water calculation, efficient flying tools, meal pre-selection, digital boarding passes, and priority boarding for SAF contributors.
SAF is a jet fuel alternative made from renewable resources or waste streams, capable of reducing lifecycle CO₂ emissions by up to 85% compared to fossil fuels. It is seen as a key pathway to decarbonizing aviation.
Impact is measured through reductions in CO₂ intensity, implementation of new solutions, operational efficiency, and industry-wide knowledge sharing. TAC’s results are independently evaluated by experts.
Challenges include high costs and limited supply of SAF, technological barriers for electric and hydrogen flight, regulatory uncertainty, and the need for coordinated investment and policy support.
KLM Newsroom
Photo Credit: KLM
Sustainable Aviation
Airbus-led ECLIF-X Campaign Studies Aviation Non-CO2 Emissions 2025-2027
The ECLIF-X campaign investigates how low-sulphur and low-aromatic fuels reduce contrail formation and non-CO2 emissions in aviation from 2025 to 2027.
This article is based on an official press release from Airbus.
In a closely coordinated chase across the sky, the aviation industry is taking aim at one of its most visible and complex climate challenges: condensation trails. While carbon dioxide emissions have long dominated sustainability discussions, recent scientific consensus highlights that non-CO2 emissions account for a significant portion of commercial aviation’s total climate warming impact.
To address this, Airbus, the German Aerospace Center (DLR), and engine manufacturer Pratt & Whitney have launched ECLIF-X (Emissions and Climate Impact of alternative Fuels – X). According to an official Airbus press release, this joint research campaign utilizes a “flying laboratory” to investigate the effects of fuel composition on aviation’s non-CO2 impact.
Running from 2025 to 2027, the ECLIF-X campaign captures real-time data on how low-sulphur and low-aromatic fuels interact with advanced engine combustors. At AirPro News, we recognize this initiative as a critical step toward understanding and mitigating the formation of climate-warming contrails before new environmental regulations take full effect.
The methodology behind the ECLIF-X campaign involves two aircraft flying in tandem at cruising altitude. The “emitter” is an Airbus A321XLR test aircraft (registration MSN11058), powered by Pratt & Whitney PW1100G-JM engines. Research reports indicate these engines are equipped with the TALON-X rich-burn combustor, a technology specifically designed to reduce soot emissions. During the tests, the A321XLR is flown with three different types of fuel to compare their respective emission profiles.
Following closely behind is the “sniffer,” DLR’s heavily instrumented Falcon 20E research aircraft. Drawing on over 30 years of atmospheric research expertise, DLR scientists pilot the Falcon 20E directly into the exhaust wake of the A321XLR.
Flying at distances of just 50 to 300 meters, the Falcon 20E captures precise, real-time data on the physical and chemical properties of the emissions before they dissipate.
This proximity allows researchers to analyze the exhaust plume in real-time, providing unprecedented insights into the immediate atmospheric reactions triggered by different fuel blends.
Contrails are line-shaped ice clouds that form when hot, humid engine exhaust mixes with cold, high-altitude air. Depending on atmospheric conditions, these contrails can persist and spread into cirrus clouds that trap outgoing infrared radiation from the Earth. According to industry research, studies suggest that non-CO2 effects could represent anywhere from 35% to roughly two-thirds of aviation’s total accumulated climate impact. Airbus refers to the microphysics of contrail formation as the “sticky seed” problem. Conventional jet fuel contains aromatic compounds, which are the primary precursors for soot particles during combustion. These soot particles act as the foundational condensation nuclei, or “seeds,” for contrails. Furthermore, even trace amounts of sulphur in jet fuel result in the formation of sulphuric acid. This acid coats the soot particles, making them “sticky” and highly attractive to water vapor.
By utilizing fuels with low aromatics and low sulphur, such as highly refined Sustainable Aviation Fuels (SAF), engines produce significantly fewer soot particles and less sulphuric acid. Fewer seeds mean fewer ice crystals, resulting in contrails that are thinner, shorter-lived, or completely prevented.
The current campaign builds upon the landmark ECLIF3 study, which concluded in 2024. Data from ECLIF3 proved that flying on 100% SAF reduced the number of contrail ice crystals by 56% and cut the overall climate-warming impact of contrails by at least 26% compared to conventional jet fuel.
The ECLIF-X research arrives at a critical regulatory juncture. As of January 2025, the European Union Emissions Trading System (EU ETS) requires airlines to monitor and report their non-CO2 effects. With the first verified reports due in 2026, the industry faces immediate pressure to understand and quantify these emissions.
The introduction of the EU’s Non-CO2 Aviation Effects Tracking System (NEATS) means airlines are now legally required to track these metrics. Research initiatives like ECLIF-X provide the foundational science necessary to create accurate monitoring, reporting, and verification (MRV) models for the commercial aviation sector.
We view the ECLIF-X campaign as a pivotal transition point for airline operations. Historically, the push for Sustainable Aviation Fuel has been framed almost entirely around lifecycle carbon reduction. However, the empirical data gathered by Airbus and DLR highlights a crucial dual benefit: SAF physically alters the clouds aircraft leave behind.
Beyond fuel certification, this research paves the way for “climate-friendly routing.” As airlines and meteorologists better understand exactly how and when contrails form, flight dispatchers could soon pair clean fuels with tactical flight path adjustments to avoid atmospheric regions prone to persistent contrail formation. This operational shift will likely become a standard practice as regulatory bodies tighten non-CO2 reporting requirements.
Sources: Airbus
The ECLIF-X Campaign: A High-Altitude Chase
The Emitter and the Sniffer
Decoding the “Sticky Seed” Problem
How Contrails Form and Trap Heat
Building on Previous Success
Regulatory Urgency and Future Operations
EU ETS and NEATS Compliance
AirPro News analysis
Frequently Asked Questions (FAQ)
ECLIF-X (Emissions and Climate Impact of alternative Fuels – X) is a joint research initiative by Airbus, DLR, and Pratt & Whitney running from 2025 to 2027 to study how fuel composition affects contrail formation.
Persistent contrails can spread into cirrus clouds that trap heat in the Earth’s atmosphere. Studies indicate these non-CO2 emissions account for 35% to two-thirds of aviation’s total climate impact.
Soot and sulphuric acid from conventional jet fuel create “sticky” particles that attract water vapor, forming the ice crystals that make up contrails. Low-sulphur and low-aromatic fuels reduce these seeds.
Under the EU ETS, airlines were required to begin monitoring non-CO2 effects in January 2025, with the first verified reports due in 2026.
Photo Credit: Airbus
Sustainable Aviation
SHEIN Expands Sustainable Aviation Fuel Use with DHL Partnership
SHEIN partners with DHL Express to pilot Sustainable Aviation Fuel in air freight, supporting emissions reduction amid market and regulatory challenges.
This article is based on an official press release from SHEIN.
On March 24, 2026, global fashion retailer SHEIN announced a new agreement with DHL Express to utilize the logistics provider’s GoGreen Plus service. This initiative integrates Sustainable Aviation Fuel (SAF) into SHEIN’s international air freight operations, marking another step in the company’s efforts to address lifecycle emissions associated with its supply chain.
According to the official press release, the partnership is designed as an early-stage pilot to help the retailer evaluate economic feasibility, certification frameworks, and operational integration. SHEIN explicitly acknowledges that the immediate emissions impact will be modest relative to its total air transport footprint, reflecting broader constraints in the global SAF market where alternative fuels represent only a fraction of conventional jet fuel supply.
We note that this move builds upon SHEIN’s previous SAF pilot programs initiated in 2025, signaling a continued corporate push to support capacity-building activities and demand signaling, particularly within the rapidly evolving Asia-Pacific (APAC) region.
Under the new agreement, SHEIN will leverage DHL’s GoGreen Plus service, which utilizes an “insetting” approach to reduce Scope 3 greenhouse gas emissions. Rather than fueling specific cargo planes directly with SAF, the fuel is introduced into DHL’s broader aviation network. The resulting lifecycle emissions reductions are then allocated to SHEIN using internationally recognized carbon accounting and certification frameworks.
“Signing the GoGreen Plus agreement with SHEIN marks another important milestone in DHL Express’s commitment to driving the green transformation of air logistics. As a long-term partner in SHEIN’s global logistics network, we are pleased to work together to explore how sustainable aviation fuel can be integrated into their air cargo operations.”
The DHL partnership is part of a broader, multi-carrier strategy. Industry research highlights that in 2025, SHEIN procured 187.3 tonnes of SAF across 14 Atlas Air charter flights, achieving an estimated emissions reduction of 579.1 tonnes of CO₂ equivalent (tCO₂e). Furthermore, the company signed a Memorandum of Understanding (MoU) with Lufthansa Cargo in August 2025 to accelerate SAF adoption.
Regionally, SHEIN is also participating in a China-based SAF pilot program organized by China National Aviation Fuel (CNAF) and the Second Research Institute of Civil Aviation of China (CASRI). Through this initiative, the retailer plans to procure an initial batch of SAF from Air China Cargo, utilizing traceability mechanisms to track usage.
“Working with partners such as DHL allows us to better understand how sustainable aviation fuel solutions may be incorporated into air cargo logistics. Initiatives like this are part of SHEIN’s broader efforts to explore how emerging approaches across the aviation sector may contribute to addressing carbon emissions associated with air transport.”
SHEIN’s press release notes that wider adoption of SAF remains constrained by limited production capacity and higher costs. Data from the International Air Transport Association (IATA) released in December 2025 provides stark context for these limitations. According to IATA, global SAF production reached 1.9 million metric tons in 2025. While this doubled the output of 2024, it still represented only 0.6% of total global jet fuel consumption. Growth is projected to slow slightly in 2026, reaching an estimated 2.4 million metric tons, or roughly 0.8% of global demand. Furthermore, SAF currently trades at two to five times the price of conventional fossil jet fuel. IATA estimates that this premium added approximately $3.6 billion to the aviation industry’s fuel costs in 2025 alone.
The macroeconomic challenges are compounded by regulatory friction. IATA has publicly criticized certain regional mandates, arguing that they have distorted markets and increased compliance costs without guaranteeing adequate fuel supply.
“SAF production growth fell short of expectations as poorly designed mandates stalled momentum in the fledgling SAF industry… If the objective is to increase SAF production to further the decarbonization of aviation, then they [policymakers] need to learn from failure and work with the airline industry to design incentives that will work.”
The press release emphasizes strengthening the demand signal for SAF in the Asia-Pacific region through capacity-building activities. Industry data shows that APAC is currently undergoing a massive shift in SAF infrastructure and regulation, transitioning from voluntary goals to concrete mandates.
Singapore implemented a confirmed goal of 1% SAF by 2026, funded by a passenger levy, while Japan is finalizing a 10% SAF mandate by 2030. South Korea, India, and Indonesia are also rolling out blending roadmaps expected to take effect around 2027.
To support this regulatory push, physical infrastructure is scaling up. Neste operates a significantly expanded SAF refinery in Singapore, and Hong Kong-based EcoCeres is expanding into Malaysia. Additionally, in May 2025, the World Economic Forum (WEF) and GenZero launched “Green Fuel Forward,” an initiative specifically designed to scale SAF demand and build regional capacity for aviation decarbonization in APAC, involving major airlines and logistics firms like DHL.
SHEIN’s latest announcement reflects a maturing corporate approach to aviation decarbonization. By explicitly stating that the emissions impact of these early-stage pilots will be “modest,” the company avoids the pitfalls of greenwashing and aligns its messaging with the stark realities of the global SAF market. The reliance on DHL’s GoGreen Plus “book-and-claim” model highlights that, for global shippers, insetting remains the most viable mechanism to participate in the SAF economy without requiring direct physical access to alternative fuels at every origin airport. As APAC mandates like Singapore’s 2026 target take effect, corporate demand signals from high-volume freight users like SHEIN will be critical in justifying the massive capital expenditures required for regional SAF refineries.
GoGreen Plus is a service offered by DHL Express that allows customers to reduce the Scope 3 carbon emissions associated with their freight. It uses an “insetting” or “book-and-claim” model, where DHL purchases Sustainable Aviation Fuel (SAF) and introduces it into its broader aviation network, allocating the certified emissions reductions to the participating customer.
According to December 2025 data from the International Air Transport Association (IATA), SAF accounts for only 0.6% of global jet fuel consumption, constrained by limited production capacity and high costs. SAF is currently two to five times more expensive than conventional fossil jet fuel due to the high costs of feedstock collection, complex refining processes, and a lack of scaled production infrastructure globally.
Sources: SHEIN Press Release
Expanding SAF Pilots and Logistics Partnerships
The DHL GoGreen Plus Agreement
Building on 2025 Initiatives
Global Bottlenecks and the Cost of Decarbonization
Production and Pricing Realities
Policy Friction
The Asia-Pacific Momentum
Regulatory Shifts and Capacity Building
AirPro News analysis
Frequently Asked Questions
What is DHL’s GoGreen Plus service?
How much of global aviation fuel is currently SAF?
Why is SAF more expensive than conventional jet fuel?
Photo Credit: SHEIN
Sustainable Aviation
Aviation Capital Group Publishes 2025 Sustainability Report Highlighting Fleet Modernization
Aviation Capital Group’s 2025 Sustainability Report details fleet modernization, emissions reductions, and new sustainability-linked financial commitments.
This article is based on an official press release from Aviation Capital Group.
Aviation Capital Group (ACG), a prominent global full-service aircraft asset manager, has officially p-shed its 2025 Sustainability Report. The document marks the company’s fifth annual review detailing its progress across key environmental, social, and governance (ESG) priorities.
According to the company’s press release, the 2025 report highlights significant strides in fleet modernization and emissions reductions. As the aviation industry faces mounting pressure to decarbonize, aircraft lessors are increasingly prioritizing newer, more fuel-efficient technology to meet long-term climate targets.
The newly released data underscores ACG’s ongoing transition toward a lower-emission portfolio, supported by strategic financial mechanisms and a growing backlog of next-generation aircraft commitments.
In its official press release, ACG reported that new generation, lower-emissions aircraft now account for 79% of its total fleet. This shift is the result of a deliberate fleet renewal strategy executed throughout the year. During 2025, the lessor added 52 new generation aircraft to its portfolio while simultaneously exiting 36 older generation airframes.
These modernization efforts have yielded measurable environmental benefits. ACG stated that it successfully reduced its relative emissions to 13% below its 2018 baseline. Furthermore, the company noted that its portfolio’s relative emissions are now 14% below the broader aviation industry average.
Looking ahead, the lessor continues to build its pipeline of modern aircraft. As of February 2026, ACG has increased its future aircraft commitments to more than 180 aircraft, ensuring a steady influx of fuel-efficient technology in the coming years.
Beyond fleet metrics, the 2025 Sustainability Report outlines ACG’s integration of ESG principles into its financial and corporate operations. The company announced the extension and upsizing of its Sustainability Linked Loan, which now totals $575 million. Additionally, ACG signed its first Sustainability Linked Leases, aligning its leasing structures with environmental performance metrics. On the social responsibility front, the press release highlighted that ACG contributed to more than 20 worthy causes worldwide during the 2025 calendar year.
Company leadership emphasized the importance of these initiatives in the context of broader industry goals.
“I am pleased to share ACG’s 2025 Sustainability Report, which reflects the progress we have made embedding sustainability, social responsibility and governance excellence into all aspects of our business. While the path to achieving net zero by 2050 is becoming increasingly demanding, we remain committed to shaping a sustainable future by deepening our impact as a business and broadening our influence across the wider aviation ecosystem through action, leadership, and collaboration.”
, Thomas Baker, Chief Executive Officer and President of ACG, in a company statement.
We observe that aircraft leasing companies like Aviation Capital Group play a pivotal role in the aviation industry’s transition to net-zero emissions. Because lessors finance a substantial portion of the global commercial fleet, their procurement decisions directly influence the speed at which older, less efficient aircraft are retired.
By tying financial instruments, such as the $575 million Sustainability Linked Loan and newly introduced Sustainability Linked Leases, to environmental targets, lessors create tangible economic incentives for airlines to operate cleaner aircraft. ACG’s reported metric of maintaining portfolio emissions 14% below the industry average demonstrates how aggressive fleet renewal strategies can outpace the broader market’s decarbonization curve.
Founded in 1989, Aviation Capital Group is a premier full-service aircraft asset manager and a wholly owned subsidiary of Tokyo Century Corporation. According to the company, it has approximately 450 owned, managed, and committed aircraft as of December 31, 2025.
As of the end of 2025, ACG leases its aircraft to roughly 85 airlines operating in approximately 50 countries worldwide.
The company reported that its future aircraft commitments have grown to more than 180 aircraft as of February 2026, focusing heavily on new generation, lower-emissions technology.
Fleet Modernization and Emissions Reductions
Financial Commitments and Corporate Governance
AirPro News analysis
The Leasing Sector’s Role in Aviation Sustainability
Frequently Asked Questions (FAQ)
What is Aviation Capital Group (ACG)?
How many airlines does ACG serve?
What are ACG’s future fleet plans?
Sources
Photo Credit: Aviation Capital Group
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