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.
Terry Hershner does 1000 miles in 24 hours on the same bike. https://www.facebook.com/lifeoffthegrid