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	<title>Comments on: Study Calls Environmental Benefits of Electric Cars &#8216;Fiction&#8217;</title>
	<atom:link href="http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/feed/" rel="self" type="application/rss+xml" />
	<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/</link>
	<description>Real-time news, information, and discussion about the Chevrolet Volt.</description>
	<lastBuildDate>Sat, 21 Nov 2009 03:26:48 -0800</lastBuildDate>
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		<title>By: Electric Vehicle Solution - Forums</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-155898</link>
		<dc:creator>Electric Vehicle Solution - Forums</dc:creator>
		<pubDate>Wed, 04 Nov 2009 00:22:34 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-155898</guid>
		<description>[...] a conventional, inefficient (20mpg) car. I just came across this study verifying my contention: GM-VOLT : Chevy Volt Electric Car Site Blog Archive Study Calls Environmental Benefits of Electric C...  &quot;The study was performed by the group Transport Watch and found that diesel cars produce half [...]</description>
		<content:encoded><![CDATA[<p>[...] a conventional, inefficient (20mpg) car. I just came across this study verifying my contention: GM-VOLT : Chevy Volt Electric Car Site Blog Archive Study Calls Environmental Benefits of Electric C&#8230;  &quot;The study was performed by the group Transport Watch and found that diesel cars produce half [...]</p>
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		<title>By: Ken Grubb</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-110147</link>
		<dc:creator>Ken Grubb</dc:creator>
		<pubDate>Wed, 29 Apr 2009 16:44:14 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-110147</guid>
		<description>EPRI has studied the issue. Plugins won&#039;t bring down the grid and will improve air quality.

http://www.epri-reports.org

Should cleaner sources of electricity be pursued? Absolutely. More renewables is good. More nuclear power, IMHO, is essential for the near term--say the next 40-60 years. Retire the oldest, dirtiest plants and bring online newer cleaner plants.

As for vehicles, EVs are a no-brainer. They are technologically far simpler than ICEs, HEVs, PHEVs, hydrogen powered unicorns, diesels, or diesel hybrid unicorns. EVs have fewer moving parts so fewer things to wear out.

Since EVs will last longer, I suspect car makers will have to evolve. Eventually, fewer cars will be produced in any given year, and car makers will be able to improve things by offering existing owners upgrades. Better chargers, better batteries, etc.

The issues of powerplants and vehicles are intertwined, to be sure, but pursuit of something better doesn&#039;t mean we have to wait for a panacea.</description>
		<content:encoded><![CDATA[<p>EPRI has studied the issue. Plugins won&#8217;t bring down the grid and will improve air quality.</p>
<p><a href="http://www.epri-reports.org" rel="nofollow">http://www.epri-reports.org</a></p>
<p>Should cleaner sources of electricity be pursued? Absolutely. More renewables is good. More nuclear power, IMHO, is essential for the near term&#8211;say the next 40-60 years. Retire the oldest, dirtiest plants and bring online newer cleaner plants.</p>
<p>As for vehicles, EVs are a no-brainer. They are technologically far simpler than ICEs, HEVs, PHEVs, hydrogen powered unicorns, diesels, or diesel hybrid unicorns. EVs have fewer moving parts so fewer things to wear out.</p>
<p>Since EVs will last longer, I suspect car makers will have to evolve. Eventually, fewer cars will be produced in any given year, and car makers will be able to improve things by offering existing owners upgrades. Better chargers, better batteries, etc.</p>
<p>The issues of powerplants and vehicles are intertwined, to be sure, but pursuit of something better doesn&#8217;t mean we have to wait for a panacea.</p>
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		<title>By: jdsv</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-109316</link>
		<dc:creator>jdsv</dc:creator>
		<pubDate>Sun, 26 Apr 2009 04:53:43 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-109316</guid>
		<description>Yes, transmission and distribution are currently greater than 90% efficient, somewhere between 7 and 8%.  I provided the links to stop the layman approximations and to be used as tools supporting the EV side of the argument.  The data is _all_ there, no more need for approximations.

One more thing that needs to happen : federally mandate to allow for electricity sellback.  Could there be flaws in that?  Sure, but they wouldn&#039;t outweigh the positive gains.

Recap : this was not an attack, so no need to try and argue against information that can serve to help our case.  Good?  Good!

NPNS.. =D-</description>
		<content:encoded><![CDATA[<p>Yes, transmission and distribution are currently greater than 90% efficient, somewhere between 7 and 8%.  I provided the links to stop the layman approximations and to be used as tools supporting the EV side of the argument.  The data is _all_ there, no more need for approximations.</p>
<p>One more thing that needs to happen : federally mandate to allow for electricity sellback.  Could there be flaws in that?  Sure, but they wouldn&#8217;t outweigh the positive gains.</p>
<p>Recap : this was not an attack, so no need to try and argue against information that can serve to help our case.  Good?  Good!</p>
<p>NPNS.. =D-</p>
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		<title>By: Steve G</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-109171</link>
		<dc:creator>Steve G</dc:creator>
		<pubDate>Fri, 24 Apr 2009 18:21:07 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-109171</guid>
		<description>@127

10 quadrillion BTU loss per year.   Uhm.  Big deal.  The US grid capacity is somewhere around 3 Terawatt.   That means your grid efficiency is still above 90%  (i think,  if i did my math right, and my general assumptions on usage are correct)


Also:  In ontario,  there is actually excess power supply being dumped out from our nuclear plants at night these days.  At one point the ontario spot price for electricity was negative for 19 hours of the day.   Free power for New York i guess?  Charging at night would produce absolutely 0g/km of CO2.  Eat that.   ... I want my volt now.   Please?

Also:  We don&#039;t need to focus on making a more efficient ICE,  but on making a more fuel efficient car.  THey aren&#039;t the same thing.  A diesel smart car and an F-250 have similarly efficiency ICE&#039;s.  We need to make light aerodynamic vehicles.</description>
		<content:encoded><![CDATA[<p>@127</p>
<p>10 quadrillion BTU loss per year.   Uhm.  Big deal.  The US grid capacity is somewhere around 3 Terawatt.   That means your grid efficiency is still above 90%  (i think,  if i did my math right, and my general assumptions on usage are correct)</p>
<p>Also:  In ontario,  there is actually excess power supply being dumped out from our nuclear plants at night these days.  At one point the ontario spot price for electricity was negative for 19 hours of the day.   Free power for New York i guess?  Charging at night would produce absolutely 0g/km of CO2.  Eat that.   &#8230; I want my volt now.   Please?</p>
<p>Also:  We don&#8217;t need to focus on making a more efficient ICE,  but on making a more fuel efficient car.  THey aren&#8217;t the same thing.  A diesel smart car and an F-250 have similarly efficiency ICE&#8217;s.  We need to make light aerodynamic vehicles.</p>
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		<title>By: Herman</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-109046</link>
		<dc:creator>Herman</dc:creator>
		<pubDate>Fri, 24 Apr 2009 07:32:56 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-109046</guid>
		<description>Where is the study:  &quot; How much C02 would it take to generate 1 liter of diesel or 1 litere of gasoline??? Before it&#039;s in your gastank??&quot;

I never see those studies arround.. for fuck sake!!

We have a gasplant generator that has efficiency of 55%. 
And here in holland we only make 30% of our total electricity out of coal.

And i have never seen a diesel car with efficiency of 45%. I DO know that there is higher energy per litres in a liter diesel.

I know diesels with high efficiency, but they are not inside a car. They have a fixed RPM all set to 1 RPM for max efficiency. And also timing and air/fuel mixture optimized and turbo optimized. 
Mostly used for generating electricity.</description>
		<content:encoded><![CDATA[<p>Where is the study:  &#8221; How much C02 would it take to generate 1 liter of diesel or 1 litere of gasoline??? Before it&#8217;s in your gastank??&#8221;</p>
<p>I never see those studies arround.. for fuck sake!!</p>
<p>We have a gasplant generator that has efficiency of 55%.<br />
And here in holland we only make 30% of our total electricity out of coal.</p>
<p>And i have never seen a diesel car with efficiency of 45%. I DO know that there is higher energy per litres in a liter diesel.</p>
<p>I know diesels with high efficiency, but they are not inside a car. They have a fixed RPM all set to 1 RPM for max efficiency. And also timing and air/fuel mixture optimized and turbo optimized.<br />
Mostly used for generating electricity.</p>
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		<title>By: Earl</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-108876</link>
		<dc:creator>Earl</dc:creator>
		<pubDate>Thu, 23 Apr 2009 15:31:34 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-108876</guid>
		<description>They forgot one other big reason for going electric.
Better performance.  Oh yes, I forgot: Without impact to fuel economy.
Go Tesla!</description>
		<content:encoded><![CDATA[<p>They forgot one other big reason for going electric.<br />
Better performance.  Oh yes, I forgot: Without impact to fuel economy.<br />
Go Tesla!</p>
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		<title>By: Electric Vehicle Owner</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-108767</link>
		<dc:creator>Electric Vehicle Owner</dc:creator>
		<pubDate>Wed, 22 Apr 2009 22:51:47 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-108767</guid>
		<description>@ BobG 138

oh, except that the ICE is already a mature technology. We&#039;ve already squeezed about as much as we can out of them in theory and all that&#039;s left to do is for the less advanced automakers to start using last century&#039;s post 1940&#039;s technology, such as direct fuel injection, pretty standard on most 17 year olds cheap crotch rockets.

So, I guess that leaves electric drive related systems to work on for the engineers. My silly guess is the MOST important system left for development is the sound system with external speaker for interesting noises that the electric car owner can broadcast. Perhaps the Terminator shouting &quot;Get out of my way! Here I come!&quot; at 140 decibals to the the traffic in front, the modern day equivalent to the servant walking in front with a lantern?</description>
		<content:encoded><![CDATA[<p>@ BobG 138</p>
<p>oh, except that the ICE is already a mature technology. We&#8217;ve already squeezed about as much as we can out of them in theory and all that&#8217;s left to do is for the less advanced automakers to start using last century&#8217;s post 1940&#8217;s technology, such as direct fuel injection, pretty standard on most 17 year olds cheap crotch rockets.</p>
<p>So, I guess that leaves electric drive related systems to work on for the engineers. My silly guess is the MOST important system left for development is the sound system with external speaker for interesting noises that the electric car owner can broadcast. Perhaps the Terminator shouting &#8220;Get out of my way! Here I come!&#8221; at 140 decibals to the the traffic in front, the modern day equivalent to the servant walking in front with a lantern?</p>
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		<title>By: FreemonSandlewould</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-108513</link>
		<dc:creator>FreemonSandlewould</dc:creator>
		<pubDate>Wed, 22 Apr 2009 02:09:51 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-108513</guid>
		<description>O gee golly willacres nasty old big oil paid for them to write this! .... pathetic liberal losers with liberal arts degrees here. 

How about energy independence is enough ?!

The USA is on the verge of collapse and these ninny environmentalists still can not get over their fetishes.</description>
		<content:encoded><![CDATA[<p>O gee golly willacres nasty old big oil paid for them to write this! &#8230;. pathetic liberal losers with liberal arts degrees here. </p>
<p>How about energy independence is enough ?!</p>
<p>The USA is on the verge of collapse and these ninny environmentalists still can not get over their fetishes.</p>
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		<title>By: Mark Wagner</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-108496</link>
		<dc:creator>Mark Wagner</dc:creator>
		<pubDate>Wed, 22 Apr 2009 00:00:06 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-108496</guid>
		<description>After reading the source article, it does not appear to me that they took into account that an electric vehicle is inherantly far more efficient than an internal combustion engine car.  (For example the Tesla roadster gets 2.18 km/MJ, while a VW Jetta Diesel gets .53 km/MJ, making the Tesla vehicle efficiency 4.1 times more efficient than the Jetta.)  It is very important that EVs are inherently more efficient vehicles.

With regards to the other assumptions, I find it very hard to believe the study&#039;s finding that the eletric grid is only 24% efficient (i.e. 76% inefficient) or that a deisel engine car is as high as 45% efficient.  This sounds to me like a theoretically perfect disel engine car.

In the end I challenge every finding and assumption in this study.</description>
		<content:encoded><![CDATA[<p>After reading the source article, it does not appear to me that they took into account that an electric vehicle is inherantly far more efficient than an internal combustion engine car.  (For example the Tesla roadster gets 2.18 km/MJ, while a VW Jetta Diesel gets .53 km/MJ, making the Tesla vehicle efficiency 4.1 times more efficient than the Jetta.)  It is very important that EVs are inherently more efficient vehicles.</p>
<p>With regards to the other assumptions, I find it very hard to believe the study&#8217;s finding that the eletric grid is only 24% efficient (i.e. 76% inefficient) or that a deisel engine car is as high as 45% efficient.  This sounds to me like a theoretically perfect disel engine car.</p>
<p>In the end I challenge every finding and assumption in this study.</p>
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		<title>By: Bob G</title>
		<link>http://gm-volt.com/2009/04/19/study-calls-environmental-benefits-of-electric-cars-fiction/#comment-108483</link>
		<dc:creator>Bob G</dc:creator>
		<pubDate>Tue, 21 Apr 2009 23:25:13 +0000</pubDate>
		<guid isPermaLink="false">http://gm-volt.com/?p=1627#comment-108483</guid>
		<description>#134 Electric Vehicle Owner Says, &quot;... we can actually do both at the same time, which will only speed up our liberation from our oil addiction.&quot;

Good point.  I stand corrected.</description>
		<content:encoded><![CDATA[<p>#134 Electric Vehicle Owner Says, &#8220;&#8230; we can actually do both at the same time, which will only speed up our liberation from our oil addiction.&#8221;</p>
<p>Good point.  I stand corrected.</p>
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