Parts: It shares alot of mechanical parts with the basic honda civic but most of the addon body panels (fenders, side skirts, headlights etc) are specific to the hybrid so the parts might be hard to find.
Fuel: Petrol & battery charge (self generated)
Aftersales: Honda does not support hybrid technology in Pakistan
Economy: http://en.wikipedia.org/wiki/Image:Graph_median3.png
Dealer: Caveat emptor!