Print 74 comment(s) - last by MCKENZIE1130.. on Nov 29 at 8:39 PM

Chevrolet Volt window sticker
93 mpg on battery power, 37 mpg on gasoline power

After a cluster bomb that was unleashed yesterday when the Nissan Leaf was rated for an EPA estimated 99 mpg -- even though it is a "battery only" vehicle -- General Motors is dropping a bunch of digits on us when it comes to the EPA rating for its Chevrolet Volt.

According to the window sticker that will be plastered on all new Volts sold in the U.S., the vehicle is rate at an equivalent of 93 mpg when running on electricity, and a more sedate 37 mpg when the gasoline engine kicks in after the battery is depleted. This two figures combined give the Volt a "composite" rating of 60 mpg.

And here are some more numbers -- the Volt will have an official "battery only" range of 35 miles, while the total driving range (taking into account the batteries and the gasoline tank) will be 379 miles.

When the Volt was first announced, GM said that the vehicle would have a 40-mile range when running on battery power. The company recently revised that figure to 25-50 miles.

The Volt will go on sale later this month with a price tag of $41,000 before a $7,500 federal tax credit.

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By rangerdavid on 11/24/2010 5:01:25 PM , Rating: 2
By power plant, you mean the local coal/natural gas/hydro/nuke plant on the grid? Toss in transmission loss and a variety of renewable power sources, and it seems there's no way to really say how efficient the power in my garage's plug is compare to yours. So they just ignore that mess and focus on the car.

But yes, we shouldn't ignore the fossil fuels being burned somewhere to ultimately move an electric car from point A to point B (unless you live in Seattle and we are %99 hydro!)

By 91TTZ on 11/24/2010 5:13:33 PM , Rating: 2
So they just ignore that mess and focus on the car.

If they do that, then why don't they figure out the inefficiency of the onboard engine that turns the generator, and conveniently ignore that loss? Because ignoring the generation losses on one car and then taking them into account on another car just isn't fair and doesn't represent reality.

By sorry dog on 11/24/2010 8:06:47 PM , Rating: 2
It's not really a volume of gas comparison that it implies.

It's really a cost comparison based gallons of gas. You don't include the power grid efficiencies because the KWh to gas ration assumes 100% efficiency from the meter (what the power bill is based) to the battery charge... which is probably more in the 80-90% range.
If you know what you pay for a gallon of gas versus a KWh then they compare.
...but I agree it's retarded.

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