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330 messages, Last post on Nov 13, 2008 at 12:13 PM
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But rather recharge cycles and heat buildup. Pardon me if this has been addressed, but Li-Ion is known for allowing around 500 charge/discharge cycles before they start to lose their capability to hold a charge. I have also noticed that if you leave a Li-Ion plugged in (like a laptop), it will hold not a charge as well, but that could be addressed by making sure that the battery was not constantly topped off. This is in contrast to NiMh, which do not have any such issues. Sure, they have high energy density, but for how long?
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Replying to: stevedebi (May 01, 2008 1:56 pm) A123 batteries |
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Article in today's WSJ about how the electrical utilities are getting nervous about the power demands of plug-ins. They may face (depending on who wins in Nov.) taxes on carbon emissions, and they want credit for reducing gas use. Also, day-time plugging-in will strain the grid.
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Replying to: texases (May 02, 2008 5:50 am) Daytime use of electricity for any purpose strains the grid. The fact that PHEVs will be a newcomer to the demand picture should in no way impact the legitimacy of their access to grid electricity. If it turns out that there isn't enough electricity to meet demand I'd rather see the more discretionary uses of electricity be cut back on. The person who has replaced some of his oil consumption with electricity is doing something positive. The housewife sitting home watching Oprah on her big screen TV is not. |
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Replying to: texases (May 02, 2008 5:50 am) some fantastic advances going on. I read about a way they may be able to store solar energy without batteries at generation plants for a short period of time. |
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I am very excited about this technology. I have been in my prius for 5.5 years and 98,000 miles, but intend to stay in it until I can buy a car with a plug (crossing fingers for a Volt in 2010). |
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Replying to: tpe (Jan 16, 2008 5:39 am)
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Replying to: joer3 (Jun 07, 2008 4:02 pm) You can't wave a magic wand and say, "X- percent of vehicles will have zero emmisions by this date" and expect the technology to just appear. It would be just as silly to say that the manufacturers need to produce a certain percentage of their cars that can run on hydrogen by 2015. Geez, everybody needs to put down the "everything is a conspiracy" book once in a while
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Replying to: pf_flyer (Jun 08, 2008 5:10 am) I say let the market control what happens. If GM cannot sell big SUVs because of the price of gas, let them build a hybrid or EV to compete with the other automakers. The EV-1 mess was a direct result of a CA ZEV mandate that was Stupid to start with. Now CA wants to control CO2. We have some of the worst politicians in Sacramento to be found on the face of the earth. Controlled by a few elitist in Hollywood. |
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Replying to: joer3 (Jun 07, 2008 4:02 pm) Gas is very expensive now. Something similar to the EV-1 might sell in relatively small quantities now. Something like the Volt has a much larger market and GM is planning to build it in quantity (more than 100,000 units).
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