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Chevy may say Volt has longer battery-powered range

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Chevy may say Volt has longer battery-powered range



Chevrolet may market its Volt as having up to a 50-mile electric range before its gasoline engine kicks in, beyond the targeted and publicized 40-mile range, spokesman Rob Peterson said today.

General Motors said the Volt has a 25- to 50-mile battery-powered range. The assertion came in updates to a regulatory filing that registers the automaker’s planned stock offering, tentatively scheduled for mid-November.

On battery power, “the Chevrolet Volt has a typical range of 25-50 miles depending on terrain, driving technique, temperature and battery age,” GM said.

GM has said the Volt’s four-cylinder engine can power the vehicle about another 300 miles on a full tank of gas.

The numbers that show up in marketing will depend on both the results of testing sanctioned by the Environmental Protection Agency and the EPA’s upcoming decision of how to label electric vehicles’ fuel economy, Peterson said. If the EPA sanctions a range of expectations for battery-powered mileage, Volt advertising will likely say consumers’ experiences will vary — just as the automaker did in the regulatory filing, Peterson said.

GM had always had a 40-mile target for the Volt’s battery-powered range, Peterson said. And most people can realistically expect that range. But the vehicle’s testing has indicated “miserly” drivers may drive on battery power for up to 50 miles, he said.

“We’ve had engineers do it,” Peterson said — including in Michigan. “It’s not a pipe dream.”

Drivers with a lead foot or people who live in extremely cold or hot temperatures may end up on the lower end of the 25- to 50-mile range, he said.

Read more: Chevy may say Volt has longer battery-powered range | freep.com | Detroit Free Press http://www.freep.com/article/20100923/BUSINESS01/100923073/1210/business01/Chevy-may-say-Volt-has-longer-battery-powered-range-#ixzz10P47yd8V

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By Mark Kleis

For the last several years General Motors has touted the Volt's pure electric range as "up to 40 miles" before the gasoline-powered generator kicks in for an additional 300 mile range - that may soon change for the better.

As General Motors continues to file the necessary paperwork with the federal government, namely the Securities and Exchange Commission, more and more information continues to leak. This time around, it appears as if GM may look to embolden its claimed range of 40 miles on electric power to 50 miles, according to the SEC.

If that is the case, that would mark the first time GM has even hinted at a range beyond 40 miles since the concept was first introduced in early 2007. The exact quote in the SEC filing reads, "When powered only from electricity stored in its 16-kWh lithium-ion battery; the Chevrolet Volt has a typical range of 25-50 miles depending on terrain, driving technique, temperature and battery age."

When GM-Volt came across this statement they reached out to GM spokesman Rob Peterson. Peterson said, "We've always said up to 40. But now we tweaked the EV range to from 25 to 50."

When GM-Volt questioned Peterson on whether or not this change was more marketing-based than scientific, Peterson explained that the change comes after a million plus miles have been recorded with the Volt, and the engineers were confident that the change was real-world possible with a fuel conscious driver. "A conservative driver under ideal conditions will get more than 40 miles,” Peterson said. “We don’t often highlight this potential to go beyond 40.″

Based on analysis of GM's filing with the SEC, it appears the change has come not from tweaking of programming or hardware, but rather the realization that driver behavior allows for more than the original 40 mile claim.



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Report: Chevy Volt's range will be 25 miles on battery power, or maybe 50

by Sebastian Blanco (RSS feed) on Sep 24th 2010 at 8:57AM

When the Chevrolet Volt was unveiled back in January 2007, here's what we wrote based on the information General Motors was giving out:

The Volt has a range of about 40 miles on the battery alone... However, when the fuel tank is filled to its capacity of 12 US gallons of gas, the Volt has a range of 640 miles. In addition, the Volt ICE is fully flex fuel capable and can run on any combination of gasoline or ethanol up to E85.

Since then, the E85 capability has been dropped, the gas tank was shrunk to an expected nine gallons and, today, the oft-cited 40-mile range is also in question thanks to a filing with the Securities and Exchange Commission about GM's mid-November IPO. GM spokesman Rob Peterson told the AP that the company's new official stance is that the Volt will be able to travel anywhere between 25 and 50 miles on battery power before the gas-powered range extender kicks in.

What will affect the range? The usual suspects: how you drive, the temperature (outside and inside the car), hills and "the age of the lithium-ion batteries." Peterson told the AP that the range estimate changed because GM engineers have now had more time to test the Volt's powertrain. So, who's surprised? Thanks to Roy B for the tip!



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