Market cap, particularly in the case of Tesla, has nothing to do with whether 
or not they are a major manufacturer.

Sent from my iPhone

> On Mar 14, 2015, at 11:22 AM, Larry Gales via EV <[email protected]> wrote:
> 
> Well, the market capitalization of Tesla is 24 Billion, so I would consider
> that pretty major.  It is 40% of General Motors market cap.
> 
> On Fri, Mar 13, 2015 at 2:33 PM, Michael Ross <[email protected]>
> wrote:
> 
>> Tesla is hardly a major manufacturer, but others qualify.  They do think
>> big though.  Maybe someday.
>> 
>> On Fri, Mar 13, 2015 at 4:57 PM, Larry Gales via EV <[email protected]>
>> wrote:
>> 
>>> For both leasing and battery swap to be practical, you don't need to have
>>> all manufacturers adhere to a common standard (though that would be nice),
>>> but a major manufacturer such as Tesla could have their on swap stations
>>> that serve their own type of vehicles.
>>> 
>>> On Thu, Mar 12, 2015 at 5:44 PM, EVDL Administrator via EV <
>>> [email protected]> wrote:
>>> 
>>>> As I see it, the model for successful battery exchange in EVs is the
>>> lowly
>>>> flashlight (torch).  The cells come in 4 basic sizes, with two of these
>>>> most
>>>> commonly used (AA and D).  Effectively, you have 2 or maybe 4 tiers of
>>>> energy content and power capacity; then, within each tier, you use more
>>>> cells to get more of both.
>>>> 
>>>> To make battery exchange work with EVs, you'd have to get all the EV
>>>> manufacturers to agree on one or two standard module sizes.  They'd need
>>>> standardized connections that mate as the battery is installed, just as
>>>> flashlight battery connections do.  You'd have different capacities
>>>> (through
>>>> different chemistries) in a given module size, and also vary the
>>> capacity
>>>> by
>>>> the number of modules the EV used.
>>>> 
>>>> For affordability and convenience, you'd have to fully automate the
>>>> exchange
>>>> process.  The driver would pull into the exchange bay, pay the operator,
>>>> wait a couple of minutes, and drive out with a freshly charged battery.
>>>> Most likely the modules would have to attach from the bottom, with
>>>> hydraulic
>>>> lifts and conveyors doing the work.  You could have one pit to remove
>>> the
>>>> spent battery, and another to raise a fresh one into place. The EV
>>> would be
>>>> moved from one pit to the next on tracks.  You should be able to
>>> exchange
>>>> an
>>>> EV's battery even faster than a gas pump can fill an ICEV's tank.
>>>> 
>>>> This model might have worked IF all the EV manufacturers could have
>>> agreed
>>>> on it from the start.  But making that happen would have been a huge
>>>> challenge, and now it's just about impossible.  Then, building all the
>>>> exchange stations would require a stupendous investment.
>>>> 
>>>> All this is pretty daunting.  Just ask Shai Agassi.
>>>> 
>>>> So, I wouldn't say that battery exchange is a stupid idea, but I'm
>>> afraid
>>>> it's not a very practical one.
>>>> 
>>>> David Roden - Akron, Ohio, USA
>>>> EVDL Administrator
>>>> 
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>>>> 
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>>> 
>>> 
>>> --
>>> Larry Gales
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>> 
>> 
>> --
>> To invent, you need a good imagination and a pile of junk.
>> Thomas A. Edison
>> <http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
>> 
>> A public-opinion poll is no substitute for thought.
>> *Warren Buffet*
>> 
>> Michael E. Ross
>> (919) 585-6737 Land
>> (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google
>> Phone
>> (919) 631-1451 Cell
>> 
>> [email protected]
>> <[email protected]>
> 
> 
> -- 
> Larry Gales
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> 
> 
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