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Today's Topics:

1. Re: How many miles on lithium? (mark at evie-systems)
2. Re: 2009, comeback for low rolling resistance tires ?
(Phil Marino)
3. Re: Tachometer and Transmission Issues (Mark Farver)
4. EVDL policy (blah, blah): internet chain letters
(EVDL Administrator)
5. How to do air conditioning? or 300VDC motor? (Bill Ferguson)
6. Re: How to do air conditioning? or 300VDC motor? (Willie McKemie)
7. Re: How to do air conditioning? or 300VDC motor? (joe)
8. Re: How to do air conditioning? or 300VDC motor? (Roland Wiench)
9. Why not drop the other shoe and have an all electric volt?
(Jeff Shanab)
10. Global economic discussion: Lithium and Bolivia (Rob Trahms)
11. Re: Global economic discussion: Lithium and Bolivia
(Cor van de Water)


----------------------------------------------------------------------

Message: 1
Date: Fri, 03 Jul 2009 14:27:38 -0500
From: mark at evie-systems <mark@...>
Subject: Re: [EVDL] How many miles on lithium?
To: Electric Vehicle Discussion List <ev@...>
Message-ID: <4A4E5BAA.6060100@...>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

I don't know how many miles is this pack, but the range is coming in at
about 35 miles per charge. It is running China-Hipower, 100ah cells,
32ea. He's been running with these cells for about a year now.

http://www.evalbum.com/1309

Al wrote:
> I am looking real hard at lithium for my next pack.
> The big question is will they live up to their specs of 1000 to 3000 cycles?
> The specs say standard charge/discharge current of .3C, only 33 amps for a
> 100ah cell. Also, just a 10% change in DOD from 80 to 70 yields 1000 more
> cycles! May be too risky at this point to drop $10K to $15K on a pack.
>
>
> Any of the early adopters, what is the most miles you have put on a pack of
> the large format lithuim cells so far?
>
> Al
>
> _______________________________________________
> General EVDL support: http://evdl.org/help/
> Usage guidelines: http://evdl.org/help/index.html#conv
> Archives: http://evdl.org/archive/
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>
>



------------------------------

Message: 2
Date: Fri, 3 Jul 2009 16:27:02 -0400
From: Phil Marino <phil42277@...>
Subject: Re: [EVDL] 2009, comeback for low rolling resistance tires ?
To: Electric Vehicle Discussion List <ev@...>
Message-ID:
<660221ca0907031327h3ae08002m420d6cf3ee37540e@...>
Content-Type: text/plain; charset="iso-8859-1"

On Fri, Jul 3, 2009 at 10:40 AM, Jeff Shanab <jshanab@...> wrote:

> >
> > I wouldn't worry too much about rim weight. It might be easier ( and
> > cheaper) to save weight elsewhere. The difference between stock steel
> rims
> > and expensive aluminum rims is not generally very much. And, the
> "rolling
> > inertia" effect of rims is fairly small ( despite common thinking on
> this).
> > Phil Marino
> > Rochester, NY
>
> I am gonna disagree or clarify slightly. but maybe it is a left coast
> thing.
>
> The extra energy used to spin up the additional mass also reduces
> braking capacity and chews up brakes faster.
>
>
> That said, luckily there is a good way to measure it. :-)
>
>
> For rotational inertia, and how it effects acceleration, they say a lb
> of rotating mass is equal to about 4 lbs of weight.
> I can vouch for that. Repeated testing.
>

Jeff


For tires and wheels, the equivalent extra mass (due to rotation) is ALWAYS
less than the static (actual) weight. One way to think about it: if all
the weight was on the outer edge of the tire, the energy due to its
rotational inertia would be exactly equal to it's straight-line energy (
because its rotational speed would equal its straight-line speed.) In that
case the extra "mass" due to rotation would be equal to the real mass. AND,
adding one pound of tire weight would be like adding two pounds of driver
weight. ( Even this is only for acceleration and braking, this extra pound
does not add any hill-climbing drag, or any rolling resistance drag, like
the extra pound on the driver does)


To find out the real numbers, a couple of years ago, I took a wheel and tire
from my car (B381 185/65 -14 tire and stock 14 inch Toyota Echo rim) and
measured the rotational inertia of each one. i used a bifilar pendulum -
essentially hang it from three ropes, spin it, and measure the oscillation
frequency.

The tire weighed 16.0 pounds, the inertia was 1712 lb-in^2, and the
additional effective mass (due to rotation) was 11.38#. So, the rotational
mass factor was 0.83. So, as far as acceleration the tire acted like 16 +
11.38 lbs = 27.38#.

For the rim, the actual weight was 12.7 lbs, and the equivalent rotational
weight was 3.8 #.(factor or 0.3), so the rim acted like 12.7 + 3.8 = 16 lbs
as far as acceleration is concerned

As you'd expect the tire rotational effects are greater because more of the
mass is at a larger radius.


SO, For rotational inertia, and how it effects acceleration:

1 lb of rotating mass ( tire weight) is rotationally equal to about 0.83 lbs
of weight ( or, 1.83 total) and 1 lb of rim weight is equivalent to 1.3 #
total.

This is real, measured data - for these particular parts.
Obviously you would get slightly different results based on the
particular tire and the particular rim.


So, it's not such a big deal, unless you're drag racing, and every 0.01 s
counts.

If anyone is really interested, I can post a picture of the test and a
spread sheet of the calculations I made to get these results. Let me know.

Phil Marino
Rochester, NY

>
>
>
> _______________________________________________
> General EVDL support: http://evdl.org/help/
> Usage guidelines: http://evdl.org/help/index.html#conv
> Archives: http://evdl.org/archive/
> Subscription options: http://lists.sjsu.edu/mailman/listinfo/ev
>
>
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Message: 3
Date: Fri, 3 Jul 2009 16:04:18 -0500
From: Mark Farver <mfarver@...>
Subject: Re: [EVDL] Tachometer and Transmission Issues
To: Electric Vehicle Discussion List <ev@...>
Message-ID:
<3afaf0180907031404u2dec081scfe91a96c725f53c@...>
Content-Type: text/plain; charset=ISO-8859-1

On Wed, Jul 1, 2009 at 5:55 AM, Pestka, Dennis
J<Dennis.Pestka@...> wrote:
> First is with my tachometer.
> Purchased the 3" electric tach, sensor, and magnetic collar from
> EVparts.
> When I step on the accelerator, it immediately buries the tach at the
> maximum 7000 rpm.

Your problem is likely that the tach is picking up noise from the
controller's PWM.

You probably need to use a shielded cable from the sensor to the tach
module itself. In my case I used a piece of headphone cable (two
conductors surrounded by a shield) with the shield ground to the
chassis on only one end.

Mark Farver



------------------------------

Message: 4
Date: Sat, 04 Jul 2009 03:25:05 -0400
From: "EVDL Administrator" <evpost@...>
Subject: [EVDL] EVDL policy (blah, blah): internet chain letters
To: ev@...
Message-ID: <4A4ECB91.21788.25F8D2C@...>
Content-Type: text/plain; charset=US-ASCII

Here's a little boring EVDL business for a slow night.

>From the list conventions at

http://www.evdl.org/help/index.html#conv

"The EVDL is not a general purpose bulletin board. Don't forward or quote
email which you've received from others, unless you're sure it's on topic
and you know it was specifically intended for the EVDL (such as when an
unplugged EVDL member asks you to forward something to the list).

"This means that internet chain letters, virus warnings, urban legends,
political or religious tracts (no matter how urgent), inspirational or
humorous stories (no matter how moving or hilarious), and the like are all
unwelcome on the EVDL."

=====

A little elucidation, in case that's not already clear.

Pretty much anything mass-emailed which suggests that you should be
outraged! Just outraged!! Write your congressman now!!! Forward this to
everyone you know!!!! falls into this category.

So do the chain-letter feel-good and tribute messages. These often (but not
always) have some kind of religioius or patriotic objective.

If you buy into these that's your look-out, no business of mine. If you
want to send them to bunches of people you know (some of whom are probably
about to become your ex-friends ;-), go for it.

Just don't forward them to the EVDL.

And while you're at it, please don't forward them to me privately, either. I
don't want them, even if I might agree with them. Exception: if you have
something mildly inflammatory that *IS* EV related, you're welcome to send
it to me before posting if you'd like a thumbs-up or thumbs-down.

If you do forward mass-email or chain letter junk to the list, you'll get a
friendly warning. If you keep doing it, you may end up off the list, which
I guess isn't quite as friendly. Sorry about that.

One thing more -- this policy applies even if the list's spam filters trap
your message (they usually forward such stuff to me behind the scenes).

Now back to your regularly scheduled slow night. Happy 4th to all our US
subscribers.

David Roden - Akron, Ohio, USA
EVDL Administrator

= = = = = = = = = = = = = = = = = = = = = = = = = = = = =
EVDL Information: http://www.evdl.org/help/
= = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Note: mail sent to "evpost" an "etpost" addresses will not
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email address from the webpage http://www.evdl.org/help/ .
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------------------------------

Message: 5
Date: Fri, 3 Jul 2009 20:30:19 -0700
From: Bill Ferguson <bill@...>
Subject: [EVDL] How to do air conditioning? or 300VDC motor?
To: EV <ev@...>
Message-ID: <936FA2FD-9CEF-4967-918E-F896139F0C47@...>
Content-Type: text/plain; charset="us-ascii"

EV experts,

Has anyone put air conditioning in their EV conversion? If so, how
did you do it or how would you do it?

It seems the easiest way would be to add a small electric motor to
power the existing air conditioner compressor, but I'm having trouble
finding one that would work. I need a high quality, professional
looking/performing solution, because we plan to sell the car.

Does anyone know where I could buy a small electric motor that will
run off 300V DC? It could be either brushless or with brushes, one
hp. RPM could be 2,000 to 8000 rpm. I don't know if anyone makes a
motor like this.

I'm with a small group that is making our first electric car. We have
a 2001 Honda Civic, have removed the gas motor and will be putting in
an AC motor, controller, lithium-ion batteries and other electronics.

We need a DC motor to run the air conditioner. Our battery pack is 96
cells at 3.2 V each, so our battery pack will be 308 V. We have to
have high voltage, in order to provide enough power to the AC motor.
We can't run it off 12V, because it would take too much current from
our DC/DC converter.

Does anyone know a company or a brand that sells a small, electric,
off-the-shelf, DC motor, along with the controller, that is powered
by 300V DC? I found one company, Anaheim Automation, but they don't
have a controller/driver for 300VDC.

I see one or 2 companies sell a complete AC compressor, such as Cool
Blue, but it's AC, so their plan to buy both the compressor and and
inverter makes it more expensive and more complicated.

Any ideas on a good solution would be appreciated.

Thank you,
Bill Ferguson
eeVee Motors
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Message: 6
Date: Sat, 4 Jul 2009 05:23:07 -0500
From: Willie McKemie <mckemie@...>
Subject: Re: [EVDL] How to do air conditioning? or 300VDC motor?
To: Electric Vehicle Discussion List <ev@...>
Message-ID: <20090704102307.GD12158@c25>
Content-Type: text/plain; charset=us-ascii

On Fri, Jul 03, 2009 at 08:30:19PM -0700, Bill Ferguson wrote:

> Has anyone put air conditioning in their EV conversion? If so, how
> did you do it or how would you do it?

Have you looked at MasterFlux?
http://www.masterflux.com/products/sierra/

These folks:
http://www.revoltcustomelectric.com/
are a dealer and have done at least one in an EV. It looks real slick.
I kinda wish I had done that rather than my tail shaft driven
compressor.

--
Willie, ONWARD! Through the fog!
http://counter.li.org Linux registered user #228836 since 1995
Debian3.1/GNU/Linux system uptime 566 days 23 hours 18 minutes



------------------------------

Message: 7
Date: Sat, 4 Jul 2009 06:03:25 -0700
From: "joe" <joe@...>
Subject: Re: [EVDL] How to do air conditioning? or 300VDC motor?
To: "Electric Vehicle Discussion List" <ev@...>
Message-ID: <DA2A944F372C4AA685835C6116C798C1@Sales>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original

Mark is looking into a solid-state A/C unit for the Mustang (he is planning
on installing it himself, I think), and I think I should be able to get one
soon for other projects; but it isn't available yet.

Joseph H. Strubhar

Web: www.gremcoinc.com

E-mail: joe@...

----- Original Message -----
From: "Bill Ferguson" <bill@...>
To: "EV" <ev@...>
Sent: Friday, July 03, 2009 8:30 PM
Subject: [EVDL] How to do air conditioning? or 300VDC motor?


> EV experts,
>
> Has anyone put air conditioning in their EV conversion? If so, how
> did you do it or how would you do it?
>
> It seems the easiest way would be to add a small electric motor to
> power the existing air conditioner compressor, but I'm having trouble
> finding one that would work. I need a high quality, professional
> looking/performing solution, because we plan to sell the car.
>
> Does anyone know where I could buy a small electric motor that will
> run off 300V DC? It could be either brushless or with brushes, one
> hp. RPM could be 2,000 to 8000 rpm. I don't know if anyone makes a
> motor like this.
>
> I'm with a small group that is making our first electric car. We have
> a 2001 Honda Civic, have removed the gas motor and will be putting in
> an AC motor, controller, lithium-ion batteries and other electronics.
>
> We need a DC motor to run the air conditioner. Our battery pack is 96
> cells at 3.2 V each, so our battery pack will be 308 V. We have to
> have high voltage, in order to provide enough power to the AC motor.
> We can't run it off 12V, because it would take too much current from
> our DC/DC converter.
>
> Does anyone know a company or a brand that sells a small, electric,
> off-the-shelf, DC motor, along with the controller, that is powered
> by 300V DC? I found one company, Anaheim Automation, but they don't
> have a controller/driver for 300VDC.
>
> I see one or 2 companies sell a complete AC compressor, such as Cool
> Blue, but it's AC, so their plan to buy both the compressor and and
> inverter makes it more expensive and more complicated.
>
> Any ideas on a good solution would be appreciated.
>
> Thank you,
> Bill Ferguson
> eeVee Motors
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL:
>
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> _______________________________________________
> General EVDL support: http://evdl.org/help/
> Usage guidelines: http://evdl.org/help/index.html#conv
> Archives: http://evdl.org/archive/
> Subscription options: http://lists.sjsu.edu/mailman/listinfo/ev
>


--------------------------------------------------------------------------------



No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.5.375 / Virus Database: 270.13.3/2217 - Release Date: 07/03/09
18:11:00



------------------------------

Message: 8
Date: Sat, 4 Jul 2009 07:06:15 -0700
From: "Roland Wiench" <ev_7@...>
Subject: Re: [EVDL] How to do air conditioning? or 300VDC motor?
To: "Electric Vehicle Discussion List" <ev@...>
Message-ID: <BLU144-DS2B1E443B9D0B0D0F6C1EBBE2D0@...>
Content-Type: text/plain; charset="iso-8859-1"

Hello Bill,

I install a standard face mounted auto A/C unit in my EV that does not run
off the main battery pack or any accessory power. It runs off the kinetic
energy of the main motor when the main motor is not energized by the main
battery pack.

This works good in a area where you have roller coaster hills, rather then
constant flat level driving. If you do a lot of coast, stop and go, this
method can also work.

I also have a backup electric motors that will run off the main battery
pack. This is directly belted to the main multi-groove drive pulley which
is then belted to the standard air condition electric clutch which cycle's
on and off depending on the demand.

Just use a golf type motor with it controller. I tested them system with
three thread mill motors gang together using four Iota's DC-DC converters
that were series-parallel together to give me any combination of 120 to 480
vac in and 14.5 to 58 volts out, which could run these motors from 1500 to
3000 rpm which is about the right rpm for the A/C unit.

The main drive pulley is also driven by the pilot shaft of the main motor
which can engage and disengaged by use of a large A/C electric clutch that
is attach to the shaft of the main drive pulley.

So far, I have not use the electric motors to drive the A/C unit, only the
kinetic energy of the main motor. Every time, that I am on a down hill run,
I let up on the accelerator, this turns on a micro-switch on the accelerator
control unit which turns on a 12 volt power relay, which turns on the 12
volt A/C control power to the A/C relays that control the high and low limit
switches for the A/C.

Even at times, when this 12 volt circuit turns on, the A/C clutch may not
come on, because the A/C demand for cooling may not come on during my down
hill runs.

I use a summer-winter switch where this same type of operation works for the
electric heating or the A/C. The electric heating also do not use main
battery power directly. It is power by a rotating combination
inverter-alternator that can supply 13.5 to 16 volts at 145 amps and at the
same time provide 110 VDC 7KW which is inverted to 130 VAC 60 cycle 5KW
which is use to run 120 vac heaters, pumps, and fans.

This system provides a regenerative type of braking on my down hill runs
which can hold the EV down in speeds. The EV could get up to over 80 mph if
some type of braking is not use which I did one time on a glare ice.

Roland

Roland


----- Original Message -----
From: "Bill Ferguson" <bill@...>
To: "EV" <ev@...>
Sent: Friday, July 03, 2009 8:30 PM
Subject: [EVDL] How to do air conditioning? or 300VDC motor?


> EV experts,
>
> Has anyone put air conditioning in their EV conversion? If so, how
> did you do it or how would you do it?
>
> It seems the easiest way would be to add a small electric motor to
> power the existing air conditioner compressor, but I'm having trouble
> finding one that would work. I need a high quality, professional
> looking/performing solution, because we plan to sell the car.
>
> Does anyone know where I could buy a small electric motor that will
> run off 300V DC? It could be either brushless or with brushes, one
> hp. RPM could be 2,000 to 8000 rpm. I don't know if anyone makes a
> motor like this.
>
> I'm with a small group that is making our first electric car. We have
> a 2001 Honda Civic, have removed the gas motor and will be putting in
> an AC motor, controller, lithium-ion batteries and other electronics.
>
> We need a DC motor to run the air conditioner. Our battery pack is 96
> cells at 3.2 V each, so our battery pack will be 308 V. We have to
> have high voltage, in order to provide enough power to the AC motor.
> We can't run it off 12V, because it would take too much current from
> our DC/DC converter.
>
> Does anyone know a company or a brand that sells a small, electric,
> off-the-shelf, DC motor, along with the controller, that is powered
> by 300V DC? I found one company, Anaheim Automation, but they don't
> have a controller/driver for 300VDC.
>
> I see one or 2 companies sell a complete AC compressor, such as Cool
> Blue, but it's AC, so their plan to buy both the compressor and and
> inverter makes it more expensive and more complicated.
>
> Any ideas on a good solution would be appreciated.
>
> Thank you,
> Bill Ferguson
> eeVee Motors
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL:
>
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> _______________________________________________
> General EVDL support: http://evdl.org/help/
> Usage guidelines: http://evdl.org/help/index.html#conv
> Archives: http://evdl.org/archive/
> Subscription options: http://lists.sjsu.edu/mailman/listinfo/ev
>
>



------------------------------

Message: 9
Date: Sat, 04 Jul 2009 08:13:09 -0700
From: Jeff Shanab <jshanab@...>
Subject: [EVDL] Why not drop the other shoe and have an all electric
volt?
To: ev@...
Message-ID: <4A4F7185.4090002@...>
Content-Type: text/plain; charset=ISO-8859-1

<snip>
> Re 70 mph crashes: even 35 mph frontal crash tests put occupants near
> the limits of survivability in both large and small cars. In side
> impacts (at 31 mph), G forces at the hip can be 100 or more. Although a
> Smart Car (and many other cars) can appear (in web videos) to survive a
> 70 mph barrier crash with the safety cage still more or less intact, no
> occupant can survive such a crash, and none of the car's systems are
> designed for such impacts. (Truth be told, cars are designed to the
> crash tests, just as they are designed to the EPA tests. There are some
> small exceptions, with Volvo, for example, having gone beyond the
> requirements, especially in the early days, but in cases where the
> standards are lax, as in rollover protection, the manufacturers are lax
> too.)
<snip>
I do share some of your sentiment that the current auto safety standards
haven't progressed as fast as other parts of the auto world. Especially
domestic auto manufactures who have followed more than lead for 3
decades. (followed regulations, followed insurance institute, followed
eurapean, etc)

But we should add to the above statement. While the G forces you mention
are obtainable, they are only there for fractions of a second. A crumple
zone allows us to spread out the G forces over time and reduce the peak
absolute value. The irony of some of those tests is they are vehicle
against immutable object. Normally we hit something that also deforms.
Some of the tests are that way on purpose to isolate testing interactions.

It is the dissipation of energy that matters. That is why the race car
that swerves into the wall and just stops unspectaculary kills the
driver and the race car that flips rolls and slides taking all that time
to dissipate the energy, spares the driver.

Something I would like to see, and I have seen this used in amature road
racing, is a dual seatbelt system. (this is in my ultimate EV car
design) a center roof mounted pod contains a second retractor and the
seatbelt crosses the chest the other way and clips at the left hip
(driver). I have not devised a slick way of doing this yet. This would
help keep a person's torso straight in a wreck and help prevent sliding
out from under the belt in side impacts.

I got in a wreck in 1990 in which a cop was chasing someone at high
speed. The intersection was blind and the light was green and as I went
through the intersection the guy in the monti-carlo ran the red light at
80+ and hit the front left corner of my mitsu pu. It was kind of a equal
angle impact which pushed the monti-carlo a lane over and pretty much
stopped me in about 5 feet. The cop had to slam on his brakes and almost
broadsided me. My body moved forward and hit the belt, but because of
single angle across the chest, my upper body pivoted on the belt
damaging my back and my chin hit my left bicep and I watched my glasses
fly out the window and into the street. If there were a pair of belts,
this would be minimized.

I have 4" 5 point belts in there now, cause I was racing it. I use to
drive daily with those (4 point) cause the others didn't work well with
the race seat and I can say they are inconvenient enough that people
wouldn't used them and they have a degree of unsafety as you can't look
over your shoulder as easily. So I think dual retractors and a criss
cross is a good compromise (and works well for the "better half" of the
market too)

I also know the degree of belt stretch is important and the load area. I
think the simplest and best first safety set would be to have the car
manufactures be required to bump up the belt weave thickness and widen
the belts a 1/2" to an inch.

And for those who would bring up air-bags at this point of the
conversation, They do not inflate the way hollywood depics it, they
deflate immediately. So if you are on the highway and get in a multi-car
pileup, the first impact where both you and the other guy were just
doing 70 deploys the airbag, but you are still doing 45mph the next
impact when you both plow into the simi rig on it's side, gets you.

An airbag can only deploy once! (pst, how many race cars have airbags,
if they are such a great idea)




------------------------------

Message: 10
Date: Sat, 4 Jul 2009 10:59:08 -0700 (PDT)
From: Rob Trahms <rtrahms@...>
Subject: [EVDL] Global economic discussion: Lithium and Bolivia
To: ev@...
Message-ID: <24336666.post@...>
Content-Type: text/plain; charset=us-ascii


With the growth in use of lithium batteries in EVs, I thought this article
was particularly relevant.

http://www.coha.org/2009/02/lucky-bolivia-and-the-future-of-lithium-in-the-world\
-economy/

Discuss!

Rob


-----
Rob Trahms
rtrahms@...
Electro - the Cabby-EV
http://chaosmgmt.blogspot.com chaosmgmt.blogspot.com

--
View this message in context:
http://www.nabble.com/Global-economic-discussion%3A-Lithium-and-Bolivia-tp243366\
66p24336666.html
Sent from the Electric Vehicle Discussion List mailing list archive at
Nabble.com.



------------------------------

Message: 11
Date: Sat, 4 Jul 2009 11:36:43 -0700
From: "Cor van de Water" <CWater@...>
Subject: Re: [EVDL] Global economic discussion: Lithium and Bolivia
To: "Electric Vehicle Discussion List" <ev@...>
Message-ID:
<1E3D081C7B502B4A988F643E604CF9636BB8B2@...>
Content-Type: text/plain; charset="us-ascii"

Again?


Cor van de Water
Director HW & Systems Architecture Group
Proxim Wireless Corporation http://www.proxim.com
Email: CWater@... Private: http://www.cvandewater.com
Skype: cor_van_de_water IM: cor_van_de_water@...
Tel: +1 408 383 7626 magicJack: +1 408 844 3932
Tel: +91 (040)23117400 x203 XoIP: +31877841130

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-----Original Message-----
From: ev-bounces@... [mailto:ev-bounces@...] On
Behalf Of Rob Trahms
Sent: Saturday, July 04, 2009 11:29 PM
To: ev@...
Subject: [EVDL] Global economic discussion: Lithium and Bolivia


With the growth in use of lithium batteries in EVs, I thought this
article
was particularly relevant.

http://www.coha.org/2009/02/lucky-bolivia-and-the-future-of-lithium-in-t
he-world-economy/

Discuss!

Rob


-----
Rob Trahms
rtrahms@...
Electro - the Cabby-EV
http://chaosmgmt.blogspot.com chaosmgmt.blogspot.com

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Sent from the Electric Vehicle Discussion List mailing list archive at
Nabble.com.

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End of EV Digest, Vol 24, Issue 6
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