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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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RE: 60 "Combined" ? How is this calculated?
By Jeremy87 on 11/24/2010 5:20:40 PM , Rating: 0
I'm getting:
Battery: 35/93 "gallons"
Tank: 344/37 gallons

379miles / (35/93 + 344/37)gallons = 39mpg
So yeah... 60?


By rangerdavid on 11/24/2010 7:08:22 PM , Rating: 2
Ahh, a more elegant solution. Thanks.


By Solandri on 11/24/2010 7:26:56 PM , Rating: 4
Average car is driven 12000-15000 miles per year. Split the difference and call it 13,500 miles per year. Assuming it's a commuter car, it's driven 250 days a year, or 54 miles a day.

If you drive 54 miles in a day, 35 of which are on battery, 19 are on gasoline.

19 miles @ 37 mpg = (19 miles) / (37 miles/gallon) = 0.514 gallons
35 miles @ 93 mpg = (35 miles) / (93 miles/gallon) = 0.376 gallons

Total miles = 54. Total gallons = 0.890.

54 miles / 0.890 gallons = 60.7 mpg


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