The Volt is not a hybrid; instead, like its rival, Nissan's Leaf, it's an all electrically driven vehicle.
Powered by GM's revolutionary Voltec propulsion system, it consists of a 16kWh lithium-ion battery pack and electric drive unit that provide a pure electric range of between 60-80km, depending on conditions.
A 1.4-litre petrol-powered engine extends the range by operating the vehicle's electric drive system until the car can be recharged or refuelled.
This distinguishes Volt from other electric-only vehicles, which cannot be operated when recharging is not immediately available - such as during a power interruption or on a long-distance trip.
The heart of the Holden Volt is its Voltec propulsion system, which combines pure electric drive and an efficient, range-extending engine, giving Volt a total range of more than 500km, depending on conditions.
Volt's long-life battery consists of a 198.1kg T-shaped, 16kWh lithium-ion battery pack manufactured in Brownstown Township, Michigan.
It supplies energy to an advanced, 111kW electric drive unit to propel the vehicle.
Using only the energy stored in the battery, Volt delivers between 60-80km of fuel and tailpipe emissions-free electric driving, depending on conditions.