{"id":56,"date":"2006-02-15T20:39:00","date_gmt":"2006-02-15T19:39:00","guid":{"rendered":"http:\/\/blogs.elpunt.cat\/narcisgenis\/2006\/02\/15\/el-biodiesel\/"},"modified":"2006-02-15T20:39:00","modified_gmt":"2006-02-15T19:39:00","slug":"el-biodiesel","status":"publish","type":"post","link":"https:\/\/blogs.elpunt.cat\/narcisgenis\/2006\/02\/15\/el-biodiesel\/","title":{"rendered":"El biodiesel"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/photos1.blogger.com\/blogger\/5140\/1191\/1600\/biodiesel_vinheta_3.jpg\"><img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\" src=\"https:\/\/i0.wp.com\/photos1.blogger.com\/blogger\/5140\/1191\/320\/biodiesel_vinheta_3.jpg?w=584\" border=\"0\" \/><\/a><br \/>Gaireb\u00e9 el 70% del petroli que es consumeix a <a href=\"http:\/\/www.appa.es\/07ue\/07uea.htm\">la UE <\/a>es destina al sector del transport, sobretot als autom\u00f2bils particulars, que consumeixen la meitat de l&#8217;energia total d&#8217;aquest sector. L&#8217;efici\u00e8ncia del combustible dels cotxes ha millorat notablement gr\u00e0cies a un acord voluntari amb la ind\u00fastria automobil\u00edstica per reduir el consum de combustible -en el per\u00edode 2008-2009 els cotxes seran un 25% m\u00e9s eficients del que ho eren al 1998-. No obstant, amb l&#8217;augment de la quantitat de vehicles, el consum i l&#8217;\u00fas que se&#8217;n far\u00e0 probablement contrarestaran aquestes millores, per aix\u00f2 haurien de considerar-se mesures addicionals per millorar-ne l&#8217;efici\u00e8ncia.<\/p>\n<p>Una de les solucions que es plantegen, tant per la reducci\u00f3 de la depend\u00e8ncia energ\u00e8tica dels pa\u00efsos subministradors de cru com pel seu inter\u00e8s mediambiental, s\u00f3n els <a href=\"http:\/\/www.energias-renovables.com\/paginas\/index.asp?id=27&amp;Nombre=Biocarburantes\">biocarburants<\/a>. El desenvolupament d&#8217;aquests combustibles contribuir\u00e0 a lluitar contra l&#8217;efecte del <a href=\"http:\/\/www.cambioclimaticoglobal.com\/index.html\">canvi clim\u00e0tic <\/a>i alhora es pot convertir en una bona font <a href=\"http:\/\/www.appa.es\/03renovables\/03renovables.htm\">d&#8217;energia renovable <\/a>que pot resoldre en part la depend\u00e8ncia energ\u00e8tica dels europeus. Entre els models de biocarburants es distingeixen dos grups: <a href=\"http:\/\/www.bornet.es\/notic\/Fisica__Quimica_y_Energia\/220604182935.shtml\">el biodi\u00e8sel <\/a>i el <a href=\"http:\/\/www.quimicauniversal.com\/Hemeroteca\/ArticuloCompleto.asp?ID=7609\">bioetanol.<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\" src=\"https:\/\/i0.wp.com\/photos1.blogger.com\/blogger\/5140\/1191\/200\/1438641692_biodiesel_2.jpg?w=584\" border=\"0\" \/><\/a> El biodi\u00e8sel es fabrica essencialment a partir d&#8217;olis (un 90%), que s&#8217;extreuen de la colza o <a href=\"http:\/\/www.bionor.es\/\">el gira-sol<\/a>, i el bioetanol s&#8217;aconsegueix a partir de la fermentaci\u00f3 dels sucres del blat o del blat de moro. Els biocarburants s&#8217;han introdu\u00eft en el mercat recentment i no estan gaire estesos, tot i que algunes benzineres ja subministren el biodi\u00e8sel. <a href=\"http:\/\/www.notre-planete.info\/actualites\/lireactus.php?id=846\">Fran\u00e7a, <\/a>com a primera pot\u00e8ncia agr\u00edcola de la UE, preveu incorporar el 5,75% de biocarburants l&#8217;any 2008 i el 10% l&#8217;any 2015.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gaireb\u00e9 el 70% del petroli que es consumeix a la UE es destina al sector del transport, sobretot als autom\u00f2bils particulars, que consumeixen la meitat de l&#8217;energia total d&#8217;aquest sector. L&#8217;efici\u00e8ncia del combustible dels cotxes ha millorat notablement gr\u00e0cies a &hellip; <a href=\"https:\/\/blogs.elpunt.cat\/narcisgenis\/2006\/02\/15\/el-biodiesel\/\">Continua llegint <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-56","post","type-post","status-publish","format-standard","hentry","category-general"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/posts\/56","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/comments?post=56"}],"version-history":[{"count":0,"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/posts\/56\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/media?parent=56"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/categories?post=56"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.elpunt.cat\/narcisgenis\/wp-json\/wp\/v2\/tags?post=56"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}