{"id":714,"date":"2012-11-07T10:12:00","date_gmt":"2012-11-07T09:12:00","guid":{"rendered":"https:\/\/kids.esa.int\/from_rocket_fuel_to_clean_cars\/"},"modified":"2026-10-08T00:31:27","modified_gmt":"2026-10-07T22:31:27","slug":"from_rocket_fuel_to_clean_cars","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/el\/from_rocket_fuel_to_clean_cars\/","title":{"rendered":"\u0391\u03c0\u03cc \u03c4\u03bf \u03ba\u03b1\u03cd\u03c3\u03b9\u03bc\u03bf \u03c0\u03c5\u03c1\u03b1\u03cd\u03bb\u03c9\u03bd \u03ad\u03c9\u03c2 \u03c4\u03b1 \u03bf\u03b9\u03ba\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1"},"content":{"rendered":"<div class=\"lede\">\n<p>\u03a4\u03bf \u03c5\u03b4\u03c1\u03bf\u03b3\u03cc\u03bd\u03bf, \u03c4\u03bf \u03b5\u03bb\u03b1\u03c6\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b1\u03ad\u03c1\u03b9\u03b1, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03b9\u03bf 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\u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03b5\u03af\u03c4\u03b5 \u03c5\u03b4\u03c1\u03bf\u03b3\u03cc\u03bd\u03bf \u03b5\u03af\u03c4\u03b5 \u03b2\u03b5\u03bd\u03b6\u03af\u03bd\u03b7 \u03c9\u03c2 \u03ba\u03b1\u03cd\u03c3\u03b9\u03bc\u03bf. \u039f\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac, \u03b7 \u03bc\u03cc\u03bd\u03b7 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ae \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03b2\u03bb\u03b1\u03b2\u03b5\u03af\u03c2 \u03c5\u03b4\u03c1\u03b1\u03c4\u03bc\u03bf\u03af!<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"Magna Steyr Aerospace\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/10\/Hydrogen_car_fuel_tank2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2012\/10\/hydrogen_car_fuel_tank2\/18250360-2-eng-GB\/Hydrogen_car_fuel_tank.jpg\" alt=\"Hydrogen car fuel tank\"><figcaption>\u0394\u03b5\u03be\u03b1\u03bc\u03b5\u03bd\u03ae \u03ba\u03b1\u03c5\u03c3\u03af\u03bc\u03bf\u03c5 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5 \u03c5\u03b4\u03c1\u03bf\u03b3\u03cc\u03bd\u03bf\u03c5<\/figcaption><\/figure>\n<p>\u039c\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c0\u03c1\u03bf\u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ae\u03c4\u03b1\u03bd \u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03c4\u03b7\u03c2 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\u03ac\u03b4\u03b5\u03b9\u03bf. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c3\u03b1\u03c6\u03ae \u03c3\u03b7\u03bc\u03ac\u03b4\u03b9\u03b1 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03ba\u03b1\u03b8\u03b1\u03c1\u03ac \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c5\u03b4\u03c1\u03bf\u03b3\u03cc\u03bd\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03c4\u03bf \u03bc\u03ad\u03bb\u03bb\u03bf\u03bd \u03c4\u03b7\u03c2 \u03bf\u03b4\u03ae\u03b3\u03b7\u03c3\u03b7\u03c2 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c1\u03cd\u03c0\u03b1\u03bd\u03c3\u03b7.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hydrogen, the lightest of all gases, is the most common element in the Universe. It is extremely easy to burn, if oxygen is present. Used in Europe\u2019s Ariane 5 launchers, [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2012\/10\/liquid_hydrogen-powered_combustion_engine2\/17879995-2-eng-GB\/Liquid_hydrogen-powered_combustion_engine.jpg","esa_banner_description":"Liquid hydrogen-powered combustion engine","esa_banner_credit":"BMW\/Magna Steyr Aerospace","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/10\/Liquid_hydrogen-powered_combustion_engine2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,54,40],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-714","post","type-post","status-publish","format-standard","hentry","category-learn","category-space-technologies-on-earth","category-technology"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/714","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/comments?post=714"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/714\/revisions"}],"predecessor-version":[{"id":4644,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/714\/revisions\/4644"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/media?parent=714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/categories?post=714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/tags?post=714"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/panel?post=714"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/language?post=714"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/age?post=714"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/duration?post=714"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/resource_type?post=714"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/audience?post=714"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/wf_post_folders?post=714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}