Terry Hershner wins Craig Vetter's fuel economy challenge with a Zero streamlined by Craig,
http://www.craigvetter.com/pages/2014-Challenges/2014-Wendover-to-Tooele-Challenge.html

172 miles, Terry consumed $2.29 in energy and road taxes at fair market value for 1.3¢ per mile cost. And all this at real world posted speeds of up to 80mph.

Streamlining is important.