{"id":185558,"date":"2013-03-11T00:00:00","date_gmt":"2013-03-11T04:00:00","guid":{"rendered":"http:\/\/www.nasa.gov\/multimedia\/imagegallery\/image_feature_2466.html"},"modified":"2013-03-11T00:00:00","modified_gmt":"2013-03-11T04:00:00","slug":"contrails-carry-clues-to-more-eco-friendly-flights","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=185558","title":{"rendered":"Contrails Carry Clues to More Eco-Friendly Flights"},"content":{"rendered":"<p>Puffy white exhaust contrails stream from the engines of NASA&#8217;s DC-8 flying laboratory in this image taken from an HU-25 Falcon flying about 300 feet behind. NASA researchers have begun a series of flights using the agency&#8217;s DC-8 to study the effects of alternate biofuel on engine performance, emissions and aircraft-generated contrails at altitude.The DC-8 is using conventional JP-8 jet fuel, or a 50-50 blend of JP-8 and an alternative fuel of hydroprocessed esters and fatty acids that comes from camelina plants. More than a dozen instruments mounted on the Falcon jet are characterizing the soot and gases streaming from the DC-8, monitoring the way exhaust plumes change in composition as they mix with air, and investigating the role emissions play in contrail formation.<em>Image Credit: NASA\/Eddie Winstead<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Puffy white exhaust contrails stream from the engines of NASA&#8217;s DC-8 flying laboratory in this image taken from an HU-25 Falcon flying about 300 feet behind. NASA researchers have begun a series of flights using the agency&#8217;s DC-8 to study the effects of alternate biofuel on engine performance, emissions and aircraft-generated contrails at altitude.The DC-8 is using conventional JP-8 jet fuel, or a 50-50 blend of JP-8 and an alternative fuel of hydroprocessed esters and fatty acids that comes from camelina plants. More than a dozen instruments mounted on the Falcon jet are characterizing the soot and gases streaming from the DC-8, monitoring the way exhaust plumes change in composition as they mix with air, and investigating the role emissions play in contrail formation.<em>Image Credit: NASA\/Eddie Winstead<\/em><\/p>\n","protected":false},"author":2,"featured_media":612598,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-185558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nasa-i-o-d"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/185558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=185558"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/185558\/revisions"}],"predecessor-version":[{"id":185598,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/185558\/revisions\/185598"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/612598"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=185558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=185558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=185558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}