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Hybrid Vehicles Electric Vehicles Electric Vehicle Pros & Cons
1586 messages, Last post on Oct 23, 2009 at 4:19 PM
You are in the Electric Vehicles Forum. Your Host is pf_flyer
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Replying to: tpe (Aug 08, 2006 1:25 pm) How are the PV systems being subsidized by the State? Also, are the PV systems being installed supposed to fill all of that homeowners needs (regular domestic use + EV) or just reduce daytime demand on the power grid. "Also, the people that operate our nation's electricity grid welcome these vehicles." I think I can understand this. Most recharging of EV's would occur at night. Typically, the demand to the system is currently much lower at night than during the day (when AC systems are running full blast, businesses are operating, etc.). Under the current system, the power plants are constantly cycling up during the day to meet the higher demands and then cycling back down to a reduced level to meet the lower nightime demands. Perhaps the plants don't operate as efficiently as they cycle up and down? Hadn't considered the possibility of using the EV as a back-up power supply for the house.
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Replying to: rorr (Aug 08, 2006 1:54 pm) One of the nice things about this program is that it is scheduled to be phased out over 10 years with the idea being that is the amount of time it will take for solar energy to be cost effective. Whether or not that ends up being the case it is positive to see government programs that aren't designed to last indefinitely.
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Replying to: tpe (Aug 08, 2006 2:05 pm) 
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| Isn't there any plan in place (or being proposed) that would require the replacement (or clean up) of the old "dirty" coal plants? It seems that both the reduction of the use of gas and emissions are critical and need to occur quickly! | |
Yes, this is a more general electric vehicle topic, but let's keep this autiomotive related and not go off into the various ways that electricity are generated and forget about the cars please.
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Replying to: prm2000 (Aug 08, 2006 7:00 pm) I'd say my biggest concern regarding the Tesla and all the other EVs is how these new Li-ion batteries will hold up. I know they've done extensive testing regarding safety and number of cycles but what about aging? My understanding is that Li-ion batteries lose storage capacity purely as a function of time, regardless of whether they are even being used. I'm not sure how well you can test this in the lab and I haven't read of any breakthroughs along these lines. If the Tesla, which is advertised at 250 miles per charge, can only get 150 miles per charge after 3 years I suspect there will be some unhappy owners. I hope this doesn't turn out to be the case but I think that only time will tell.
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Replying to: pf_flyer (Aug 09, 2006 3:27 am) If we can't talk about how the electricity is generated in an EV car discussion, where CAN we talk about it? Are you saying that one simply CAN'T talk about electrical production ANYWHERE ON EDMUNDS?
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Replying to: rorr (Aug 09, 2006 5:48 am) |
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Replying to: tpe (Aug 08, 2006 2:05 pm) Hmmm, well on the surface it certainly sounds like a reasonable plan. I'm not quite sold on PAYING for the plan through utility surcharges (in other words, millions of people who aren't seeing the benefit are subsidizing it for the other million homes who do). But, I suppose that's the nature of virtually ANY gov subsidy. I like having the PV system tied into the grid. I'm glad there's a term limit on the plan. After all the hoopla I've heard/read lately considering how PVs are supposed to get more and more cost effective, this is a good way for the industry to either put up or shut up. Another benefit of this plan is that should/when an EV industry starts going more mainstream, the additional power generation doesn't HAVE to be either new power plants or PV systems at the same residence as the EV.
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Replying to: rorr (Aug 09, 2006 5:48 am) I know it's a very wide, very fuzzy line, but we have to keep it automotive related. The post that prompted my reminder with the question of cleaning up "dirty" coal powered plants is an example. While it's tangentially related to electric vehicles, there's not a lot in that question that has anything to do with the cars. All I'm saying is that we have to keep it centered on the automotive. This is not the place to go off into coal vs nuclear. Those discussion on oil dependence have the same kind of problem when they swing off into side issues that aren't in our baliwick either. I know, clear as mud!
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