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	<title>Comments on: Volt Chief Engineer on Chevy Volt Gas Tank Size and Stale Gas Management</title>
	<atom:link href="http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/feed/" rel="self" type="application/rss+xml" />
	<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/</link>
	<description>Real-time news, information, and discussion about the Chevrolet Volt.</description>
	<lastBuildDate>Sat, 21 Nov 2009 05:07:32 -0800</lastBuildDate>
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		<title>By: Michael</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115548</link>
		<dc:creator>Michael</dc:creator>
		<pubDate>Thu, 28 May 2009 11:37:40 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115548</guid>
		<description>As an afterthought to my previous comment. If it is designed to go 40 miles before the engine engages. How will the heat and air and generator for dc power operate to keep me warm or cool and listen to the stereo during that time not to mention headlights and signals. The engine may have to operate all the time to ensure creature comforts and proper dc voltage anyway. Has anyone discussed this?</description>
		<content:encoded><![CDATA[<p>As an afterthought to my previous comment. If it is designed to go 40 miles before the engine engages. How will the heat and air and generator for dc power operate to keep me warm or cool and listen to the stereo during that time not to mention headlights and signals. The engine may have to operate all the time to ensure creature comforts and proper dc voltage anyway. Has anyone discussed this?</p>
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		<title>By: Michael</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115525</link>
		<dc:creator>Michael</dc:creator>
		<pubDate>Thu, 28 May 2009 03:26:38 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115525</guid>
		<description>I can&#039;t help but notice that everyone is debating the size of the fuel tank when it was clearly stated that they haven&#039;t even gotten the battery pack right yet. Obviously, the battery pack will be the largest and heaviest part of the car and ultimately cause them to have to design around it. That will decide how much room is left over for the size of the fuel tank and other creature comforts. I am more interested in air conditioning, heat and stereo capabilities, etc. Any decent engine will fast idle for quite a while on just 1 gallon of gas to keep the charge at operating levels. How far you can go in that time will determine miles per gallon. Strap your mower to your car, put a gallon of gas in it, crank it up at fast idle and drive your car till the mower stops. Then you will know.LOL
                                           Michael.
                                                        Michael</description>
		<content:encoded><![CDATA[<p>I can&#8217;t help but notice that everyone is debating the size of the fuel tank when it was clearly stated that they haven&#8217;t even gotten the battery pack right yet. Obviously, the battery pack will be the largest and heaviest part of the car and ultimately cause them to have to design around it. That will decide how much room is left over for the size of the fuel tank and other creature comforts. I am more interested in air conditioning, heat and stereo capabilities, etc. Any decent engine will fast idle for quite a while on just 1 gallon of gas to keep the charge at operating levels. How far you can go in that time will determine miles per gallon. Strap your mower to your car, put a gallon of gas in it, crank it up at fast idle and drive your car till the mower stops. Then you will know.LOL<br />
                                           Michael.<br />
                                                        Michael</p>
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		<title>By: Roger</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115493</link>
		<dc:creator>Roger</dc:creator>
		<pubDate>Thu, 28 May 2009 00:17:53 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115493</guid>
		<description>how often will oil be changed? will the engine have an hour meter? mileage will kinda be irrelevant.</description>
		<content:encoded><![CDATA[<p>how often will oil be changed? will the engine have an hour meter? mileage will kinda be irrelevant.</p>
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		<title>By: Lev</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115483</link>
		<dc:creator>Lev</dc:creator>
		<pubDate>Wed, 27 May 2009 22:56:04 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115483</guid>
		<description>Why not a bladder gas tank? It can be made of lighter material, and can only be inflated to the volume of present gas, so there is less evaporation and leaking.</description>
		<content:encoded><![CDATA[<p>Why not a bladder gas tank? It can be made of lighter material, and can only be inflated to the volume of present gas, so there is less evaporation and leaking.</p>
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		<title>By: mikeinatl.</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115409</link>
		<dc:creator>mikeinatl.</dc:creator>
		<pubDate>Wed, 27 May 2009 15:46:39 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115409</guid>
		<description>If the Volt is designed for 40 miles electric-only range based on the distance 80% of Americans drive daily, then why not calculate the tank size based on how long 80% of Americans drive on long trips between stops.   

In reality, I expect it has more to do the the size of a human&#039;s &quot;tank&quot; than the car&#039;s tank.  Most people probably need a pit stop much more often than their car does on long trips. 

So a 500 or 600 mile range would be overkill from a biological standpoint.  Seven or eight hours?  I don&#039;t think so. Lets not forget this all about transporting humans from place to place.</description>
		<content:encoded><![CDATA[<p>If the Volt is designed for 40 miles electric-only range based on the distance 80% of Americans drive daily, then why not calculate the tank size based on how long 80% of Americans drive on long trips between stops.   </p>
<p>In reality, I expect it has more to do the the size of a human&#8217;s &#8220;tank&#8221; than the car&#8217;s tank.  Most people probably need a pit stop much more often than their car does on long trips. </p>
<p>So a 500 or 600 mile range would be overkill from a biological standpoint.  Seven or eight hours?  I don&#8217;t think so. Lets not forget this all about transporting humans from place to place.</p>
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		<title>By: Electric Vehicle Owner</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115397</link>
		<dc:creator>Electric Vehicle Owner</dc:creator>
		<pubDate>Wed, 27 May 2009 14:47:19 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115397</guid>
		<description>BTW, I already met my goal of not using OPEC oil. You can&#039;t get any faster than already did it, by my electric motorcycle purchase and daily use.</description>
		<content:encoded><![CDATA[<p>BTW, I already met my goal of not using OPEC oil. You can&#8217;t get any faster than already did it, by my electric motorcycle purchase and daily use.</p>
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		<title>By: Electric Vehicle Owner</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115396</link>
		<dc:creator>Electric Vehicle Owner</dc:creator>
		<pubDate>Wed, 27 May 2009 14:42:29 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115396</guid>
		<description>@ #180 Tom Hardwick

There&#039;s no gas tank on my electric vehicle, so I don&#039;t have anywhere on it to pour cellulosic ethanol/alchohol. Why do several folks on this thread want me to put bio-fuels in my all electric motorcycle? Weird. 

If my local large wind farm starts doing local bio-fuel feedstock harvests and refining and integrates the power from it to their output at a reasonable cost, I&#039;ll consider using it. In the meantime, I&#039;ll stick with my pure wind power. 

I had to do my first maintenance on my two year old electric motorcycle today. New front brake pads. It took me 5 minutes to replace them. Total cost - $15. Yes, I ride it like a total hoon.

“#67 EV Owner — The fastest way to get to your goal of not using OPEC oil is, as Dave G is wont to point out, to use bio-fuels. An acre planted in miscanthus might get you 4000 gallons of fuel (27 tons of miscanthus per acre and 160 gallons of fuel per ton), which, while not as energy dense as gasoline, would be enough for several lifetimes of cross country trips.”
——————————————————————————
It would also take you several lifetimes to earn the money to pay for 4,000 gallons of cellulosic ethanol, and that is not going to change until someone comes up with a commercial scale process for making cellulosic alcohol. So far no one has been able to do that.

It might happen it might not.</description>
		<content:encoded><![CDATA[<p>@ #180 Tom Hardwick</p>
<p>There&#8217;s no gas tank on my electric vehicle, so I don&#8217;t have anywhere on it to pour cellulosic ethanol/alchohol. Why do several folks on this thread want me to put bio-fuels in my all electric motorcycle? Weird. </p>
<p>If my local large wind farm starts doing local bio-fuel feedstock harvests and refining and integrates the power from it to their output at a reasonable cost, I&#8217;ll consider using it. In the meantime, I&#8217;ll stick with my pure wind power. </p>
<p>I had to do my first maintenance on my two year old electric motorcycle today. New front brake pads. It took me 5 minutes to replace them. Total cost &#8211; $15. Yes, I ride it like a total hoon.</p>
<p>“#67 EV Owner — The fastest way to get to your goal of not using OPEC oil is, as Dave G is wont to point out, to use bio-fuels. An acre planted in miscanthus might get you 4000 gallons of fuel (27 tons of miscanthus per acre and 160 gallons of fuel per ton), which, while not as energy dense as gasoline, would be enough for several lifetimes of cross country trips.”<br />
——————————————————————————<br />
It would also take you several lifetimes to earn the money to pay for 4,000 gallons of cellulosic ethanol, and that is not going to change until someone comes up with a commercial scale process for making cellulosic alcohol. So far no one has been able to do that.</p>
<p>It might happen it might not.</p>
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		<title>By: statik</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115386</link>
		<dc:creator>statik</dc:creator>
		<pubDate>Wed, 27 May 2009 13:48:46 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115386</guid>
		<description>#198 DonC said:  

&quot;Well those are sources but I think they’re not very good&quot;
====================

Well I can&#039;t do better than a direct video quote from the projects founder and a comment from the VP of design (and yes it was from December 2007, but that was when they ACTUALLY did the wind tunnel testing and came up with the design you see now...as the picture in the article clearly shows).  You came at me with, &quot;Where the heck did that number come from? The only information I know....&quot; and I gave you two really good, hard sources.  If you don&#039;t want to acknowledge that...what can I do?  I can&#039;t get a sworn affidavit from someone who can certify the number.  

If you want to go with a Wired magazine article, and a loose, unspecific quote from Posawatz saying the Volt will be “very close” to that of the EV1, which was .19, and draw conculusions that it will surely be lower than the Prius&#039; .25....well, you go for it.  

Although you know darn well, that the Volt is going to be nowhere near the EV1, you understand how Cd/CdA works...it is impossible, just look at the two cars, lol

http://www.gm-volt.com/e/ev1volt.jpg</description>
		<content:encoded><![CDATA[<p>#198 DonC said:  </p>
<p>&#8220;Well those are sources but I think they’re not very good&#8221;<br />
====================</p>
<p>Well I can&#8217;t do better than a direct video quote from the projects founder and a comment from the VP of design (and yes it was from December 2007, but that was when they ACTUALLY did the wind tunnel testing and came up with the design you see now&#8230;as the picture in the article clearly shows).  You came at me with, &#8220;Where the heck did that number come from? The only information I know&#8230;.&#8221; and I gave you two really good, hard sources.  If you don&#8217;t want to acknowledge that&#8230;what can I do?  I can&#8217;t get a sworn affidavit from someone who can certify the number.  </p>
<p>If you want to go with a Wired magazine article, and a loose, unspecific quote from Posawatz saying the Volt will be “very close” to that of the EV1, which was .19, and draw conculusions that it will surely be lower than the Prius&#8217; .25&#8230;.well, you go for it.  </p>
<p>Although you know darn well, that the Volt is going to be nowhere near the EV1, you understand how Cd/CdA works&#8230;it is impossible, just look at the two cars, lol</p>
<p><a href="http://www.gm-volt.com/e/ev1volt.jpg" rel="nofollow">http://www.gm-volt.com/e/ev1volt.jpg</a></p>
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		<title>By: Dan Petit</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115354</link>
		<dc:creator>Dan Petit</dc:creator>
		<pubDate>Wed, 27 May 2009 11:30:10 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115354</guid>
		<description>#73

 You don&#039;t have to be first to be the best.
 You don&#039;t want to be first if you&#039;re going to be last in quality.
 We don&#039;t want anyone to make anything if it is an extremely
terrible lemon, just so they can say they &quot;have&quot; something to sell you &quot;first&quot;.  And believe me, they will certainly want to unload their terrible  &quot;tossed-together&quot; experiment onto you to clear their financial books!!  Everything you bought will become worthless all too quickly.  Be skeptical as hell, my friends, if it ain&#039;t GM&#039;s careful engineers making it for you.
Dan Petit Austin TX</description>
		<content:encoded><![CDATA[<p>#73</p>
<p> You don&#8217;t have to be first to be the best.<br />
 You don&#8217;t want to be first if you&#8217;re going to be last in quality.<br />
 We don&#8217;t want anyone to make anything if it is an extremely<br />
terrible lemon, just so they can say they &#8220;have&#8221; something to sell you &#8220;first&#8221;.  And believe me, they will certainly want to unload their terrible  &#8220;tossed-together&#8221; experiment onto you to clear their financial books!!  Everything you bought will become worthless all too quickly.  Be skeptical as hell, my friends, if it ain&#8217;t GM&#8217;s careful engineers making it for you.<br />
Dan Petit Austin TX</p>
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		<title>By: Rashiid Amul</title>
		<link>http://gm-volt.com/2009/05/26/volt-chief-engineer-on-chevy-volt-gas-tank-size-and-stale-gas-management/#comment-115344</link>
		<dc:creator>Rashiid Amul</dc:creator>
		<pubDate>Wed, 27 May 2009 10:17:47 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1526#comment-115344</guid>
		<description>DonC # 61 says,
&lt;i&gt;Rashiid — Three and a half days to go across country is impressive. One day of that kind of driving is one thing. Three in a row is another. Perhaps you should take a tip from a a couple of your fellow CT denizens. Stop and smell the roses a bit more and then write a book like “Road Food Good Food”. Makes the trip deductible and provides gas money!&lt;/i&gt;

---------
I know.   I know.  This is the story of my life.  Always in a hurry to get there with everything.   Well.....almost everything. ;)</description>
		<content:encoded><![CDATA[<p>DonC # 61 says,<br />
<i>Rashiid — Three and a half days to go across country is impressive. One day of that kind of driving is one thing. Three in a row is another. Perhaps you should take a tip from a a couple of your fellow CT denizens. Stop and smell the roses a bit more and then write a book like “Road Food Good Food”. Makes the trip deductible and provides gas money!</i></p>
<p>&#8212;&#8212;&#8212;<br />
I know.   I know.  This is the story of my life.  Always in a hurry to get there with everything.   Well&#8230;..almost everything. <img src='http://gm-volt.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
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