Argonne Study Suggests Chevy Volt Would Get 157 MPG | GM-VOLT : Chevy Volt Electric Car Site

Argonne Study Suggests Chevy Volt Would Get 157 MPG | GM-VOLT : Chevy Volt Electric Car Site: "The four configurations studied were a 4 kwh and 8 kwh PHEV and a 12 kwh and 16 kwh EREV."