1.0planet forward//www.getitdoneaz.comrodney m coenen//www.getitdoneaz.com/author/rodneymcoenen/ rich600338<blockquote class="wp-embedded-content" data-secret="b7bbkyjbys"><a href="//www.getitdoneaz.com/story/convert-air-transport-to-hydrogen/">convert air transport to hydrogen</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="//www.getitdoneaz.com/story/convert-air-transport-to-hydrogen/embed/#?secret=b7bbkyjbys" width="600" height="338" title="“convert air transport to hydrogen” — planet forward" data-secret="b7bbkyjbys" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![cdata[ */ /*! this file is auto-generated */ !function(d,l){"use strict";l.queryselector&&d.addeventlistener&&"undefined"!=typeof url&&(d.wp=d.wp||{},d.wp.receiveembedmessage||(d.wp.receiveembedmessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-za-z0-9]/.test(t.secret)){for(var s,r,n,a=l.queryselectorall('iframe[data-secret="'+t.secret+'"]'),o=l.queryselectorall('blockquote[data-secret="'+t.secret+'"]'),c=new regexp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentwindow&&(s.removeattribute("style"),"height"===t.message?(1e3<(r=parseint(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new url(s.getattribute("src")),n=new url(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeelement===s&&(d.top.location.href=t.value))}},d.addeventlistener("message",d.wp.receiveembedmessage,!1),l.addeventlistener("domcontentloaded",function(){for(var e,t,s=l.queryselectorall("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getattribute("data-secret"))||(t=math.random().tostring(36).substring(2,12),e.src+="#?secret="+t,e.setattribute("data-secret",t)),e.contentwindow.postmessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> a proposal to convert air transport to clean hydrogen (catch) air transport produces twelve percent of all transportation greenhouse gas and disproportionately accounts for 4-9% of human climate change impact. these percentages are growing, and foreseeable increased efficiencies using jet a fuel will not offset the trend. the 2004-2005 ramp up in petroleum price nearly...