Major powertrain components
• Main traction electric motor
• Motor-generator, with 2 functions: converts engine power to electricity; helps drive wheels as an electric motor
• 1.4-liter gasoline I4 engine used mainly to power the generator
• Planetary gears and 3 independent clutches that function like a transmission, managing and distributing power from 2 electric motors and gasoline engine to the drive wheels
• Propulsion battery that is charged from outside current or by gasoline engine
The Volt's powertrain operates in four modes:
