http://www.fastcompany.com/1585081/sanyo-eneloop-solar-charging-hybrid-bike-park-japan-alt-power
http://www.kalkhoffusa.com/pedal-assisted-bikes.php
Tuesday, June 7, 2011
pedelec bikes
at
8:08 AM
Labels: traditional human technology
Subscribe to:
Post Comments (Atom)
0 comments:
Post a Comment