Fuel Cells- Why(cont'd) Quiet No moving parts Long device life Competitive price 1 g Pt/1 kW cell =$20-$50/kW Relatively low weight and small size 1 kg/kWFuel Cells - Why (cont’d) Quiet No moving parts Long device life Competitive price 1 g Pt/1 kW cell = $20-$50/kW) Relatively low weight and small size 1 kg/kW