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GM Unveils Chevy Volt

Automaker introduced electric car on 100th anniversary

September 17, 2008

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With gasoline prices near record highs and its stock price near record lows, General Motors is staking its future on an electric car called the Chevrolet Volt. The much anticipated prototype was introduced Tuesday at GM's celebration of its 100th anniversary.

The carmaker says the Volt is the right car for the times, delivering up to 40 miles of gasoline and emissions-free electric driving, with the extended-range capability of hundreds of additional miles.

"Revealing the production version of the Chevy Volt is a great way to open our second century," said Rick Wagoner, GM Chairman and CEO. "The Volt is symbolic of GM's strong commitment to the future ... just the kind of technology innovation that our industry needs to respond to today's and tomorrow's energy and environmental challenges."

The design of the Chevrolet Volt production car has evolved from the original concept that was unveiled at the 2007 North American International Auto Show in Detroit. Because aerodynamics plays a key role in maximizing driving range, GM says its designers created an aerodynamically efficient design for the production vehicle. Many of the design cues from the concept vehicle endure in the production Volt, including the closed front grille, athletic stance, rear design graphics, outside rearview mirrors and more.

The company says the Volt's rounded and flush front fascia, tapered corners and grille are functional, enabling air to move easily around the car. In the rear, sharp edges and a carefully designed spoiler allow the air to flow off and away quickly. An aggressive rake on the windshield and back glass help reduce turbulence and drag.

Working closely with GM aerodynamicists to shape the Volt, design and engineering teams developed one of the most aerodynamic vehicles in GM's history. They spent hundreds of hours with the Volt in GM's wind tunnel, testing and re-testing parts such as the front and rear quarter panels, rear spoiler, rockers and side mirrors. Aerodynamic improvements enabled GM to reach the Volt's target of driving up to 40 miles (based on EPA city cycle) without using gasoline or producing emissions.

Some of Volt's interior technological features include:

• Driver-configurable, liquid crystal instrument display

• Standard seven-inch touch screen vehicle information display

• Touch screen-style climate and infotainment controls

• Optional navigation system with onboard hard drive for maps and music storage

• Standard Bluetooth for cellular phone and USB/Bluetooth for music streaming

Unlike current hybrids, GM says the Volt is a new class of vehicle known as the Extended-Range Electric Vehicle, or E-REV. It uses electricity to move the wheels at all times and speeds.

For trips up to 40 miles, the Volt is powered only by electricity stored in its 16-kWh, lithium-ion battery. When the battery's energy is depleted, a gasoline/E85-powered engine generator provides electricity to power the Volt's electric drive unit while simultaneously sustaining the charge of the battery.

The company says this mode of operation extends the range of the Volt for several hundred additional miles, until the vehicle's battery can be charged. Unlike a conventional battery-electric vehicle, the Volt eliminates "range anxiety," giving the confidence and peace of mind that the driver will not be stranded by a depleted battery.

The Chevrolet Volt can be plugged either into a standard household 120v outlet or use 240v for charging. The vehicle's intelligent charging technology enables the Volt's battery to be charged in less than three hours on a 240v outlet or about eight hours on a 120v outlet. Charge times are reduced if the battery has not been fully depleted.

GM estimates that the Volt will cost about two cents per mile to drive while under battery power compared to 12 cents per mile using gasoline priced at $3.60 per gallon. For an average driver who drives 40 miles per day, or 15,000 miles per year, this amounts to a cost savings of $1,500 annually.

Using peak electric rates, GM estimates that an electrically driven mile in a Chevy Volt will be about one-sixth of the cost of a conventional gasoline-powered vehicle. The cost savings are even greater, the company says, when charging during off-peak hours, when electric rates are cheaper.

The Chevrolet Volt is expected to be built at GM's Detroit-Hamtramck manufacturing facility, subject to GM successfully negotiating satisfactory government incentives. Production is scheduled to begin late 2010 for models in the United States. Pricing has not been announced.

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