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December 2009 Posts

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  The EVcast
Blog Entry

EVcast #296: First the Unicorn, Now the Xebra

posted by Bo Bennett, Group AdministratorTuesday, December 1st 2009 @ 3:32 PM (not yet rated)    post viewed 2296 times

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[1:23:43] Join Bo and Shannon for an update on this week's EV news, including inside info from ZAP, Tesla's plan to live rent free, a drive in the VOLT, the sound of silence, how 20 ways Toyota and Honda hate EVs, Bo's favorite EV, plus listener feedback and more!

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Comments

John Briggs
Free Access
JohnBriggs said on Wednesday, December 2nd 2009 @ 3:48 PM:

Regarding the Volt using "EV mode" and then "Charge sustaining mode" and not going back to "EV mode", I think this is really just semantics.

  EV mode: Probably GM labels this as that first big drop from 80% charge to 30% charge.

Charge sustaining mode: Once down in the 30% range, this mode is entered.  This might require running the gasoline engine at low speed, medium speed, high speed, or not at all (e.g. stoplight, or downhill).  So you might think of that as "EV mode" but you could also call it charge sustain mode, but the engine is not needed at that time.

Later
John C. Briggs

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Morgan James
Free Access
MorganJames said on Thursday, December 3rd 2009 @ 8:16 PM:

I don't understand why people would become frustrated by the "charge sustaining" mode, since that's the big selling point for the Volt. It's an electric car that can charge itself when you need it to.

The batteries on my computer can run for four hours, but when they get down to only 10 minutes left before the computer shuts down, I'll plug it in, thus battery sustaining mode. I don't get mad at my computer for needing to be plugged in, it's just the way I power it.

If it's such a big deal to people that the car run in EV mode again, go buy a BEV. You won't ever have to worry about the car staying in "charge sustaining" mode.

Am I missing the point of the argument or is the argument just pointless?

Morgan

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John Briggs
Free Access
JohnBriggs said on Monday, December 14th 2009 @ 12:10 PM:

Morgan,
    I don't think people are upset about the charge sustaining mode.  I think there was just some confusion about the idea that the car "never goes back to EV mode."    Of course there are times when during "charge sustaining mode" where only the electric motor will be used.  It just turns out the GM is not calling that "EV mode".

   Like Bo said, we all know how the Volt works, it was just a confusing description.

Later
John C. Briggs

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