{"id":1383,"date":"2009-01-04T16:05:17","date_gmt":"2009-01-04T16:05:17","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/01\/04\/un-outil-pour-c\/"},"modified":"2012-07-12T11:15:21","modified_gmt":"2012-07-12T11:15:21","slug":"un-outil-pour-c","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/01\/04\/un-outil-pour-c\/","title":{"rendered":"Un outil pour convertir (presque) tout en tout et r\u00e9ciproquement"},"content":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; A l&rsquo;approche du Salon de l&rsquo;Auto de Detroit, il m&rsquo;a sembl\u00e9 utile d&rsquo;essayer de me doter d&rsquo;un outil de conversion entre les consommations, les autonomies et les \u00e9missions de CO2 d&rsquo;un v\u00e9hicule, qu&rsquo;il soit am\u00e9ricain, japonais ou europ\u00e9en. L&rsquo;exercice est assez indigeste. Les Am\u00e9ricains et les Japonais caract\u00e9risent un v\u00e9hicule \u00e0 moteur par son autonomie mais les premiers sont en miles par gallon tandis que les seconds sont en kilom\u00e8tres par litre. Nous caract\u00e9risons un v\u00e9hicule par sa consommation, mais pour 100km pour obtenir un chiffre lisible en litres. Enfin les nouvelles directives europ\u00e9ennes introduisent les \u00e9missions de CO2 exprim\u00e9es en grammes par kilom\u00e8tre parcouru. Elles obligent \u00e0 s\u00e9parer les v\u00e9hicules en diverses cat\u00e9gories, en fonction des carburants utilis\u00e9s qui ont des teneurs en carbone par unit\u00e9 de volume diff\u00e9rentes. Bien s\u00fbr les normes pour d\u00e9finir ces valeurs exp\u00e9rimentalement sur des bancs d&rsquo;essais sont toutes diff\u00e9rentes d&rsquo;un pays \u00e0 l&rsquo;autre, il serait donc superflu de faire des calculs d&rsquo;une tr\u00e8s grande pr\u00e9cision.<\/p>\n<p>. <a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/conversionconsommationautonomiereje1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"235\" alt=\"Conversionconsommationautonomiereje\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/conversionconsommationautonomiereje.jpg\" width=\"480\"  \/><\/a> <a href=\"http:\/\/clabedan.typepad.com\/photos\/uncategorized\/2009\/01\/04\/conversionconsommationautonomiereje.jpg\"><\/a><\/p>\n<p>Quelques rep\u00e8res:<\/p>\n<p>-un v\u00e9hicule am\u00e9ricain qui parcourt 23,5 miles par gallon, parcourt 10 km par litre au Japon, consomme 10 litres aux cent km en France et rejette 232g de CO2 au km s&rsquo;il est \u00e0 essence et 266 g de CO2 si c&rsquo;est un diesel, \u00e0 Bruxelles. C&rsquo;est simple!<\/p>\n<p>-un v\u00e9hicule essence qui consomme 5,6 litres\/100 km ou un v\u00e9hicule diesel qui consomme 4,9 litres \/100 km \u00e9met 130 g ce CO2 par km.<\/p>\n<p>-l&rsquo;objectif du CAFE am\u00e9ricain, horizon 2020, \u00e0 <u>35 miles par gallon d&rsquo;essence<\/u> repr\u00e9sente une \u00e9mission de CO2 de 156 grammes de CO2 par km (relax Max!)<\/p>\n<p>&#8211; il faudra atteindre 55 miles\/gallon avec de l&rsquo;essence et 63 miles\/gallon avec un diesel, pour passer au dessous de 100 g de CO2\/km.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; L&rsquo;introduction des \u00e9missions de CO2 dans les normes europ\u00e9ennes et donc dans la communication des divers constructeurs est s\u00fbrement un param\u00e8tre qui a permis d&rsquo;acc\u00e9l\u00e9rer la prise de conscience du probl\u00e8me \u00e9cologique par les \u00e9quipes Marketing de ces grands Groupes. Dans des p\u00e9riodes de prix des carburants \u00e9lev\u00e9s la consommation du v\u00e9hicule demeure cependant un outil pr\u00e9cieux d&rsquo;orientation du choix du consommateur. C&rsquo;est dans tous les cas cet indicateur et une politique de prix \u00e9lev\u00e9s des carburants qui ont pouss\u00e9 \u00e0 la di\u00e9s\u00e9lisation du parc automobile europ\u00e9en durant ces derni\u00e8res ann\u00e9es.<\/p>\n<p>Le 3 Janvier 2009.<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; A l&rsquo;approche du Salon de l&rsquo;Auto de Detroit, il m&rsquo;a sembl\u00e9 utile d&rsquo;essayer de me doter d&rsquo;un outil de conversion entre les consommations, les autonomies et les \u00e9missions de CO2 d&rsquo;un v\u00e9hicule, qu&rsquo;il soit am\u00e9ricain, japonais ou europ\u00e9en. L&rsquo;exercice est assez indigeste. Les Am\u00e9ricains et les [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":11383,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un outil pour convertir (presque) tout en tout et r\u00e9ciproquement - leblogenergie.com<\/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:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/01\/04\/un-outil-pour-c\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Un outil pour convertir (presque) tout en tout et r\u00e9ciproquement - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; A l&rsquo;approche du Salon de l&rsquo;Auto de Detroit, il m&rsquo;a sembl\u00e9 utile d&rsquo;essayer de me doter d&rsquo;un outil de conversion entre les consommations, les autonomies et les \u00e9missions de CO2 d&rsquo;un v\u00e9hicule, qu&rsquo;il soit am\u00e9ricain, japonais ou europ\u00e9en. 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