• Moto : http://www.KillACycle.com
• http://www.evtamerica.com/sco_z20.asp?ID=1

DIY :

• http://www.ccrane.com/more-categories/alternative-power/freeplay-freecharge-weza-portable-energy-source.aspx
• http://raspberrypi.stackexchange.com/questions/1012/how-can-i-control-a-12v-motor# MotoR
• http://raspberrypi.stackexchange.com/questions/8830/adding-5v-fan-to-gpio-2-and-6

@related : Elec Car ElectricitY