Hi, Yesterday I got a chance to sit in Toyota hybrid Prius and im surprise by its spaciousness and the quietness and smoothness of this 3 yr old taxi given that the cab travelled everyday. I need more info of hybrid car and Maintenance especially this model. 1) cost of changing the batteries 2) lifespan of the batteries 3) reliability of this model 4) any other alternative to look out for (preferably with huge boot - hatchback) 5) beside power, what are the pros and cons? 6) any other info to share?