{"id":23950,"date":"2025-07-24T14:28:57","date_gmt":"2025-07-24T18:28:57","guid":{"rendered":"https:\/\/blogs.edf.org\/energyexchange\/?p=23950"},"modified":"2025-07-24T14:30:53","modified_gmt":"2025-07-24T18:30:53","slug":"smarter-jet-fuel-policies-and-carbon-markets-can-power-cleaner-aviation","status":"publish","type":"post","link":"https:\/\/blogs.edf.org\/energyexchange\/2025\/07\/24\/smarter-jet-fuel-policies-and-carbon-markets-can-power-cleaner-aviation\/","title":{"rendered":"Smarter jet fuel policies and carbon markets can power cleaner aviation"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/\/GettyImages-868922846-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-23951\" src=\"https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/\/GettyImages-868922846-1-1024x683.jpg\" alt=\"Amazing sunset at the airport. Refueling of the airplane before flight\" width=\"540\" height=\"360\" srcset=\"https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/GettyImages-868922846-1-1024x683.jpg 1024w, https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/GettyImages-868922846-1-300x200.jpg 300w, https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/GettyImages-868922846-1-768x512.jpg 768w, https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/GettyImages-868922846-1.jpg 1200w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/a><\/span><\/p>\n<ul>\n<li>Cleaner jet fuel and stronger carbon price signals can curb aviation\u2019s climate and health impacts.<\/li>\n<li>From cutting deadly air pollution near airports to boosting long-term decarbonization, two complementary policy tools offer a clear path forward for cleaner skies.<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<p><span style=\"font-weight: 400;\">Addressing climate and air pollution from global aviation has never been more urgent. If aviation were a country, it would be one of the world\u2019s top 10 sources of climate pollution \u2013 and demand for air travel is growing. Fortunately, two strategies \u2013 one focused on strengthening international aviation\u2019s carbon price signal and broadening its scope, and the other on cleaning up jet fuel itself \u2013 offer powerful, complementary paths forward.<\/span><\/p>\n<span class='bctt-click-to-tweet'><span class='bctt-ctt-text'><a href='https:\/\/x.com\/intent\/tweet?url=https%3A%2F%2Fblogs.edf.org%2Fenergyexchange%2F2025%2F07%2F24%2Fsmarter-jet-fuel-policies-and-carbon-markets-can-power-cleaner-aviation%2F&#038;text=Smarter%20jet%20fuel%20policies%20and%20carbon%20markets%20can%20power%20cleaner%20aviation&#038;via=EDFEnergyEx&#038;related=EDFEnergyEx' target='_blank'rel=\"noopener noreferrer\">Smarter jet fuel policies and carbon markets can power cleaner aviation <\/a><\/span><a href='https:\/\/x.com\/intent\/tweet?url=https%3A%2F%2Fblogs.edf.org%2Fenergyexchange%2F2025%2F07%2F24%2Fsmarter-jet-fuel-policies-and-carbon-markets-can-power-cleaner-aviation%2F&#038;text=Smarter%20jet%20fuel%20policies%20and%20carbon%20markets%20can%20power%20cleaner%20aviation&#038;via=EDFEnergyEx&#038;related=EDFEnergyEx' target='_blank' class='bctt-ctt-btn'rel=\"noopener noreferrer\">Share on X<\/a><\/span>\n<p><span style=\"font-weight: 400;\">The Carbon Offsetting and Reduction Scheme for International Aviation and targeted jet fuel regulation can work hand-in-hand to deliver near-term air quality improvements while driving long-term climate progress. With smart policy design, both approaches could be game changers.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is the thesis of two EDF articles published last month in the International Civil Aviation Organization\u2019s Environment Report, an agenda-setting publication that\u2019s only issued every three years by the ICAO Secretariat. It\u2019s an opportunity for aviation industry, advocates and other stakeholders<\/span> <span style=\"font-weight: 400;\">to showcase the most pressing environmental issues.Below is a summary of EDF\u2019s articles, but if you\u2019d like to dive deeper you can read the full versions<\/span><a href=\"https:\/\/www.icao.int\/environmental-protection\/Documents\/EnvironmentalReports\/2025\/Envreport2025_66.pdf\"> <span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> and<\/span><a href=\"https:\/\/www.icao.int\/environmental-protection\/Documents\/EnvironmentalReports\/2025\/Envreport2025_101.pdf\"> <span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\">.\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><b>CORSIA: A global framework that needs integrity to deliver<\/b><\/p>\n<p><span style=\"font-weight: 400;\">CORSIA, established by ICAO in 2016, is the world\u2019s first sector-specific global carbon offset program. It caps emissions from international flights and requires participating airlines to offset any growth above 2019 levels using either high-quality carbon credits or low-carbon jet fuels certified as \u201cCORSIA Eligible Fuels.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As it enters its first operational phase (2024\u20132026), CORSIA has the potential to prevent up to 1.5 billion tons of CO<\/span><span style=\"font-weight: 400;\">\u2082<\/span><span style=\"font-weight: 400;\"> emissions by 2035. But to fulfill this promise, its integrity must be safeguarded. That means ensuring that every offset credit and alternative fuel delivers genuine, verifiable climate benefits \u2014 and that emissions aren\u2019t \u201cdouble counted\u201d by both airlines and national governments under the Paris Agreement.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The risks of weak rules are real. If the market is flooded with low-integrity offsets or if sustainable aviation fuel claims are made without proper tracking, the environmental value of CORSIA could be undermined. Improved monitoring, reporting, and verification systems, coupled with formal government attestations to avoid double claiming of eligible fuels, could significantly enhance transparency and trust in the system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Crucially, CORSIA must evolve beyond its current carbon-only focus. Non-CO2 effects from aviation \u2014 including contrail-induced global warming \u2014 are significant and require policy attention. Non-CO2 effects could be as great, or even twice as great, as those from CO2 alone when<\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1352231020305689\"> <span style=\"font-weight: 400;\">expressed<\/span><\/a><span style=\"font-weight: 400;\"> in terms of effective radiative forcing. In the long term, CORSIA should help create meaningful price signals for the full range of aviation climate impacts, incentivizing innovation across aircraft design, operations and sustainable fuel production.<\/span><\/p>\n<p><b>Jet fuel regulation: An immediate opportunity for health and climate<\/b><\/p>\n<p><span style=\"font-weight: 400;\">While CORSIA lays the groundwork for long-term decarbonization, a separate opportunity could deliver big wins today: regulating the aromatic and sulfur content of jet fuel.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Current jet fuels contain up to 25% aromatic hydrocarbons and significant levels of sulfur. These ingredients generate fine particulate matter (PM2.5) during combustion \u2014 pollution that not only has an indirect net warming effect, but also poses serious risks to public health, including respiratory and cardiovascular problems, and even premature death. A recent EDF<\/span><a href=\"https:\/\/blogs.edf.org\/energyexchange\/2024\/12\/11\/from-runways-to-residences-confronting-aviations-hidden-air-quality-crisis-with-real-solutions\/\"> <span style=\"font-weight: 400;\">study<\/span><\/a><span style=\"font-weight: 400;\"> found that between 5.8 million and 16 million Americans are at risk for exposure to PM 2.5 from aviation in the vicinity of airports.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Evidence shows that reducing aromatic and sulfur content in jet fuel can significantly cut PM2.5 emissions. In blended fuels with a high share of synthetic, sulfur-free components, reductions of 50\u201370% in particulate emissions under certain conditions. These gains are especially pronounced during takeoff, taxiing and landing \u2014 around airports.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Public health experts are increasingly concerned about aviation-attributable PM2.5. Globally, these emissions are linked to more than 21,000 premature deaths each year. A recent reevaluation of earlier studies suggests aviation\u2019s overall air quality impacts may be substantially greater than previously estimated. And in countries with heavy air traffic, like China, the annual toll from aviation-related PM pollution could be as high as 67,000 lives.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cleaner fuels mean less PM 2.5, fewer contrails and a smaller overall climate footprint.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The policy path is clear: ICAO could establish international standards limiting aromatic and sulfur levels in jet fuel to levels compatible with existing safety and performance standards, much as countries already regulate diesel fuel for ground transportation. While most road diesel is now \u201cultra-low sulfur,\u201d aviation fuel remains largely unregulated on these dimensions. ICAO is uniquely positioned to harmonize standards globally and maximize reductions.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">And the economic case is strong. Cleaner jet fuel could raise fuel costs by just 2% or less \u2014 a marginal increase that equates to less than half a percent of operating costs for airlines. Moreover, cleaner fuels offer higher energy density, which could improve fuel efficiency and reduce emissions further.<\/span><\/p>\n<p><b>A call-to-action<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">The window for action is now. Global aviation emissions are rising, and the decisions made in the next few years will shape the sector\u2019s impact for decades. Smart, targeted investments in policy design, regulatory development, and high-integrity market infrastructure can help bend the curve toward cleaner skies.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Together, these steps can reduce pollution, protect lives and bring the aviation sector closer to its long-overdue climate course correction.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The future of flight can be cleaner. Let\u2019s make it take take off.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cleaner jet fuel and stronger carbon price signals can curb aviation\u2019s climate and health impacts. From cutting deadly air pollution near airports to boosting long-term decarbonization, two complementary policy tools offer a clear path forward for cleaner skies.<\/p>\n","protected":false},"author":152899,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"coauthors":[114193],"class_list":["post-23950","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Smarter jet fuel policies and carbon markets can power cleaner aviation - Energy Exchange<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.edf.org\/energyexchange\/2025\/07\/24\/smarter-jet-fuel-policies-and-carbon-markets-can-power-cleaner-aviation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Smarter jet fuel policies and carbon markets can power cleaner aviation - Energy Exchange\" \/>\n<meta property=\"og:description\" content=\"Cleaner jet fuel and stronger carbon price signals can curb aviation\u2019s climate and health impacts. 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