I find it curiously interesting, but too slow to make it viable at least at JFK and LAX. I have seen the regular tugs at these two airports drive around at like 100MPH In any case, interesting concept.
This clip was removed by the user... wonder if Phil had something to do with it
http://www.youtube.com/watch?v=PgEkNYKf0Kw
http://www.wheeltug.com/index.shtml
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