Yep, I would have to be a "unit" to be driving one.
See "slideshows"
http://news.yahoo.com/
or at the bottom
http://news.yahoo.com/news?tmpl=s&u=/h/slideshow2/index
Toyota Motor Corp. (news - web sites)'s new concept vehicle i-unit is driven in during its unveiling performance in Tokyo Friday, Dec. 3, 2004. The one-seater i-unit that resembled a wheelchair, designed to help people get around, will be displayed at an exposition in Aichi, central Japan, next year. (AP Photo/Shuji Kajiyama)

What a minute.................there are 13 pictures, some of them are pretty cool creations. Check it out.