<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/67436447-c476-441e-99c6-81e4b4edc2a8/8C58FF19-0AAB-4851-8E69-AD89175277EF/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.newscientist.com/article/dn17506-us-vehicle-efficiency-hardly-changed-since-model-t.html?DCMP=OTC-rss&nsref=motoring-tech" href="http://www.newscientist.com/article/dn17506-us-vehicle-efficiency-hardly-changed-since-model-t.html?DCMP=OTC-rss&nsref=motoring-tech" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn17506-us-vehicle-efficiency-hardly-changed-since-model-t.html?DCMP=OTC-rss&nsref=motoring-tech"><DIV class="hldpg" id="pgtop"> <P><A href="http://www.newscientist.com/" linkindex="27">Home</A> <SPAN class="separator">|</SPAN><A href="http://www.newscientist.com/section/tech" linkindex="28">Tech</A> <SPAN class="separator">|</SPAN><A href="http://www.newscientist.com/section/environment" linkindex="29">Environment</A> <SPAN class="separator">|</SPAN> <A href="http://www.newscientist.com/section/science-news " linkindex="30"> News </A> </p> <H1> US vehicle efficiency hardly changed since Model T </H1> <UL class="markerlist"> <li style="margin-left:16px;padding-left: 0px;"> 13:23 23 July 2009 by <A href="http://www.newscientist.com/search?rbauthors=Max+Glaskin" linkindex="31"><B>Max Glaskin</B></A> </LI> <li style="margin-left:16px;padding-left: 0px;"> For similar stories, visit the <A href="http://www.newscientist.com/topic/energy-fuels" linkindex="32"><B>Energy and Fuels</B></A> , <A href="http://www.newscientist.com/topic/motoring-tech" linkindex="33"><B>Cars and Motoring</B></A> and <A href="http://www.newscientist.com/topic/us-national-issues" linkindex="34"><B>US national issues</B></A> Topic Guides </LI> </UL> </DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn17506-us-vehicle-efficiency-hardly-changed-since-model-t.html?DCMP=OTC-rss&nsref=motoring-tech"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.newscientist.com/img/03D29B93-14B2-4387-9175-B265C77C5F55" alt="No change in fuel efficiency despite modern technological advances (Image: © 2008 Ford Motor Company)" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn17506-us-vehicle-efficiency-hardly-changed-since-model-t.html?DCMP=OTC-rss&nsref=motoring-tech"><P class="infuse">The average fuel efficiency of the US vehicle fleet has risen by just 3 miles per gallon since the days of the <A target="ns" href="http://en.wikipedia.org/wiki/Model_T" linkindex="35">Ford Model T</A>, and has barely shifted at all since 1991.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn17506-us-vehicle-efficiency-hardly-changed-since-model-t.html?DCMP=OTC-rss&nsref=motoring-tech"><P class="infuse">Those are the conclusions reached by <A target="ns" href="http://www.umtri.umich.edu/people.php?personID=40" linkindex="36">Michael Sivak</A> and <A target="ns" href="http://www-personal.umich.edu/~omert/" linkindex="37">Omer Tsimhoni</A> at the University of Michigan Transportation Research Institute in Ann Arbor. They analysed the fuel efficiency of the entire US vehicle fleet of cars, motorcycles, trucks and buses from 1923 to 2006.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn17506-us-vehicle-efficiency-hardly-changed-since-model-t.html?DCMP=OTC-rss&nsref=motoring-tech"><P class="infuse">They found that from 1923 to 1935 fuel efficiency hovered around 14 mpg (5.95 km/l), but then fell gradually to a nadir of only 11.9 mpg (5.08 km/l) in 1973. By 1991, however, the efficiency of the total fleet had risen by 42 per cent on 1973 levels to 16.9 mpg (7.18 km/l), a compound annual rate of 2 per cent.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/8C58FF19-0AAB-4851-8E69-AD89175277EF/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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