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Middle Tennessee State University project puts hub motors on rear wheels,<br>a battery back and controller in the trunk, and cuts gasoline usage by 50%<br><br><font style="font-size: 10pt;" face="Tahoma" size="2"><a href="http://www.youtube.com/watch?v=uOA_i2qAQq0">http://www.youtube.com/watch?v=uOA_i2qAQq0</a></font><br><br>Cost: $3k to $5k.<br> </div></body>
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