{"id":180721,"date":"2026-01-22T17:18:54","date_gmt":"2026-01-22T16:18:54","guid":{"rendered":"https:\/\/newmobility.news\/?p=180721"},"modified":"2026-01-22T17:18:54","modified_gmt":"2026-01-22T16:18:54","slug":"war-on-weight-how-slimmer-passengers-could-save-airlines-millions","status":"publish","type":"post","link":"https:\/\/newmobility.news\/en\/2026\/01\/22\/war-on-weight-how-slimmer-passengers-could-save-airlines-millions\/","title":{"rendered":"War on weight: how slimmer passengers could save airlines millions"},"content":{"rendered":"A recent study by the American investment bank Jefferies estimates that the four largest American Airlines could save as much as 580 million dollars per year in fuel costs if passengers weighed less.\r\n\r\nThe study approaches the weight issue from a surprising angle, namely the impact of rheumatoid ar<div class=\"leaky_paywall_message_wrap\"><div id=\"leaky_paywall_message\">This content has been archived. <a href=\"https:\/\/newmobility.news\/en\/subscription\/\">Log in or Subscribe<\/a> to a level that has access to archived content.<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>A recent study by the American investment bank Jefferies estimates that the four largest American Airlines could save as much as 580 million dollars per year in fuel costs if passengers weighed less. The study approaches the weight issue from a surprising angle, namely the impact of rheumatoid arThis content has been archived. Log in [&hellip;]<\/p>\n","protected":false},"author":164,"featured_media":180762,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"categories":[77152,14496,29,51851,7,77201,4,77165],"tags":[],"class_list":["post-180721","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aviation","category-climate","category-environment","category-health","category-mobility","category-study","category-top-stories-today","category-usa"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?fit=2560%2C1729&ssl=1",2560,1729,false],"thumbnail":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=150%2C150&ssl=1",150,150,true],"medium":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?fit=300%2C203&ssl=1",300,203,true],"medium_large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?fit=640%2C432&ssl=1",640,432,true],"large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?fit=640%2C432&ssl=1",640,432,true],"1536x1536":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?fit=1536%2C1037&ssl=1",1536,1037,true],"2048x2048":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?fit=2048%2C1383&ssl=1",2048,1383,true],"trp-custom-language-flag":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?fit=18%2C12&ssl=1",18,12,true],"related-thumb":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=640%2C480&ssl=1",640,480,true],"gform-image-choice-sm":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=300%2C300&ssl=1",300,300,true],"gform-image-choice-md":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=400%2C400&ssl=1",400,400,true],"gform-image-choice-lg":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=600%2C600&ssl=1",600,600,true],"mailchimp":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?fit=560%2C378&ssl=1",560,378,true],"unipress-phone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=640%2C100&ssl=1",640,100,true],"unipress-tablet":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=1536%2C240&ssl=1",1536,240,true],"unipress-tablet-portrait":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=1536%2C180&ssl=1",1536,180,true],"unipress-tablet-landscape":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=2048%2C180&ssl=1",2048,180,true],"unipress-smartphone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=1080%2C168&ssl=1",1080,168,true],"unipress-wide-screen":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/01\/UA-Next-A319-scaled.png?resize=2560%2C180&ssl=1",2560,180,true]},"post_excerpt_stackable_v2":"<p>A recent study by the American investment bank Jefferies estimates that the four largest American Airlines could save as much as 580 million dollars per year in fuel costs if passengers weighed less. The study approaches the weight issue from a surprising angle, namely the impact of rheumatoid arThis content has been archived. Log in or Subscribe to a level that has access to archived content.<\/p>\n","category_list_v2":"<a href=\"https:\/\/newmobility.news\/en\/category\/aviation\/\" rel=\"category tag\">Aviation<\/a>, <a href=\"https:\/\/newmobility.news\/en\/category\/climate\/\" rel=\"category tag\">Climate<\/a>, <a href=\"https:\/\/newmobility.news\/en\/category\/environment\/\" rel=\"category tag\">Environment<\/a>, <a href=\"https:\/\/newmobility.news\/en\/category\/health\/\" rel=\"category tag\">Health<\/a>, <a href=\"https:\/\/newmobility.news\/en\/category\/mobility\/\" rel=\"category tag\">Mobility<\/a>, <a href=\"https:\/\/newmobility.news\/en\/category\/study\/\" rel=\"category tag\">Study<\/a>, <a href=\"https:\/\/newmobility.news\/en\/category\/top-stories-today\/\" rel=\"category tag\">Top Stories Today<\/a>, <a href=\"https:\/\/newmobility.news\/en\/category\/usa\/\" rel=\"category tag\">USA<\/a>","author_info_v2":{"name":"Luc Joris","url":"https:\/\/newmobility.news\/en\/author\/belga-5\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>War on weight: how slimmer passengers could save airlines millions - newmobility.news<\/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:\/\/newmobility.news\/en\/2026\/01\/22\/war-on-weight-how-slimmer-passengers-could-save-airlines-millions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"War on weight: how slimmer passengers could save airlines millions - newmobility.news\" \/>\n<meta property=\"og:description\" content=\"A recent study by the American investment bank Jefferies estimates that the four largest American Airlines could save as much as 580 million dollars per year in fuel costs if passengers weighed less. 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