PUMA of the future

[goingbush]

Would not be a good offroader, but interesting

GM and Segway working on new balancing two-wheeler P.U.M.A. project - Autoblog (http://www.autoblog.com/2009/04/07/gm-and-segway-working-on-new-balancing-2-wheeler/)

[djam1]

The engines keep getting smaller at a rate of a few hundred CCs every couple of years.
Shouldn't be long until that's what they are relegated too.