20 Chapter 2 Plug-in recharge only, 100% pure Start Mild-HEV Fuel Cell EV Electric Vehicle electric range, no refueling Battery type Power Power Power/energy Energy Lithium-ion Lithium-ion size 250–1000 Wh 1–1.5 kWh TBD 15 kWh+ Electric range None None 300+ miles 75+ miles Full function electric drive, lithium-ion start at idle Engine off during decelera- tion, mild regenerative braking, electric power assist lithium-ion NiCd, NiMH, Micro Stop/ Functionality Engine stop– chemistry PbA, Battery Battery pack Micro Stop/ Start Mild-HEV Full-HEV Plug-in Hybrid Plug-in E-REV H Fuel Cell EV 2 Electric Vehicle Functionality Engine stop– Engine off Full regenerative Grid recharge- Full function Full function Plug-in recharge start at idle during decelera- braking, engine able, extended electric drive, electric drive, only, 100% pure tion, mild cycle optimiza- electric drive initial pure petroleum free, electric range, regenerative tion, electric during charge electric range, emissions free no refueling braking, electric launch, limited depletion mode, significantly power assist pure electric high fuel reduced gas, drive, allows economy during refueling, zero engine short trips fuel on short downsizing trips Battery type Power Power Power Power/energy Energy/power Power/energy Energy Battery PbA, NiCd, NiMH, NiCd, NiMH, Lithium-ion Lithium-ion Lithium-ion Lithium-ion chemistry lithium-ion lithium-ion lithium-ion Battery pack 250–1000 Wh 1–1.5 kWh 1.5–3 kWh 7–15 kWh 15 kWh+ TBD 15 kWh+ size Electric range None None