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Hybrid Prius that gets over 100 Miles per Gallon

74 messages,  Last post on Mar 11, 2008 at 12:31 PM

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What is this discussion about? Toyota Prius, Ford Escape Hybrid, Lexus GS 450h, Fuel System, Engine, Hybrid Cars, Future Vehicle, Hatchback, Sedan, SUV


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#43 of 74
So when is the 100 mpg Prius going to be out ????? by rockylee
Dec 28, 2006 (8:51 pm)
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Also how much is it going to cost ?????
 
Rocky
#44 of 74
Question from a potential Prius buyer... by crash58
Feb 02, 2007 (7:44 pm)
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Does the Prius have a timing belt or chain? Ive heard that the battery cells last far longer than the 100k that Toyota says. So what sort of major maintenance is required at 100K. Belts? Hoses? Half-Shafts?
 
If I get one I plan on 'driving it to the moon', (putting between 250K to 300k miles on it).
#45 of 74
Re: Hybrid Prius that gets over 100 Miles per Gallon [gagrice] by shalwechat
Feb 26, 2007 (10:06 am)
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Replying to: gagrice (Jun 27, 2006 4:58 pm)

"prices going up, up, up."
 
In general inflation has been going up and up. MSRP for a new Prius is around 22,175. Thats about 1,000 or 2,000 then when it first came out. Seem to be in line with inflation for other autos.
 
"The only reason I can see for the lighter batteries is less capacity."
 
less capacity...The reason is for less weight or more capacity is the reson for lighter batteries.
 
"I have not seen any credible evidence that the price of batteries for the hybrids have come down at all since their introduction."
 
callign toyota dealerships through out the years there was been a remarketable delcine in batery costs. At first the cost wasd about 8-10 grand to replace the batteries, now its about 3-4 grand to replace the battery.
 
"There may have been some subtle advances."
 
those subtle advances have increase battery performance by 20% sinse they days of the EV 2. many of those subtle advances have led to lighter batteries.
 
#46 of 74
Re: Hybrid Prius that gets over 100 Miles per Gallon [shalwechat] by gagrice
Feb 26, 2007 (10:32 am)
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Replying to: shalwechat (Feb 26, 2007 10:06 am)

I am not sure of your research on battery costs. I can tell you that the last I read a traction battery for a 2001 Prius cost $5000 to replace. It would not surprise me to see a difference of $2k to $5k difference between dealers. I priced a gas gauge sensing computer for our Lexus and was Quoted prices from $253 to $556. Until I see a legitimate study where any battery technology cost is going down, I have only seen prices going up. Make sure you are comparing apples to apples as Toyota is not putting the same battery packs in all their hybrids.
 
CalCars has promised a PHEV Prius conversion for some time. Is it available to the consumer as of today? If so what is the cost?
#47 of 74
Re: Hybrid Prius that gets over 100 Miles per Gallon [gagrice] by shalwechat
Feb 26, 2007 (11:16 am)
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Replying to: gagrice (Feb 26, 2007 10:32 am)

I am not sure of your research on battery costs. I can tell you that the last I read a traction battery for a 2001 Prius cost $5000 to replace. It would not surprise me to see a difference of $2k to $5k difference between dealers. I priced a gas gauge sensing computer for our Lexus and was Quoted prices from $253 to $556. Until I see a legitimate study where any battery technology cost is going down, I have only seen prices going up. Make sure you are comparing apples to apples as Toyota is not putting the same battery packs in all their hybrids.
  
CalCars has promised a PHEV Prius conversion for some time. Is it available to the consumer as of today? If so what is the cost?
 
Im not talking about Calcars. I was talking about replacing the orginal manufacurer equipment. I priced it about 3-5 grand. What does a gas sensing guage computer have to to battery costs? Which have been going down. Lithiun Ion battery tech is getting very old. The cost to replace the Lithium Ion battery is dropping. The new nanotechnology batteries which are very expensive. like all technology , as it matures, it become cheaper. esp when production kicks in. It costs to push the technology envelope. its cheap to rehash the some ol technology. Its cheap for auto companies to make a new full size p-u. Its expensive to make a hybrid.
#48 of 74
Re: Hybrid Prius that gets over 100 Miles per Gallon [shalwechat] by gagrice
Feb 26, 2007 (1:54 pm)
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Replying to: shalwechat (Feb 26, 2007 11:16 am)

If you priced the Prius battery at $3k-$5k you are about on the money. They have not come down in the last 7 years. Same NiMH battery. NiMH and Li-Ion batteries for laptops have steadily gone up in price. The electronics have come down. Not the batteries. I used a Lexus part to show how dealers price parts differently. I mentioned CalCars because they are the leading proponent of PHEV, which this thread is about. Last I heard the Li-Ion package to make a PHEV out of a Prius was $10k-$12k. Has that price come down. They have used that price point for at least 3 years. Li-Ion technology may be old. It is still not ready for automotive prime time. It may never be. They have two very bad characteristics. They can combust if over charged and they have a relatively short lifespan. These are big obstacles to the 100 MPG hybrid.
#49 of 74
Re: Hybrid Prius that gets over 100 Miles per Gallon [timinalaska] by shileyda
Feb 28, 2007 (11:07 am)
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Replying to: timinalaska (Jun 27, 2006 1:03 pm)

Thats amazing since our 2007 Prius gets a dismal 32 mpg. Toyota says nothing is wrong with it either. Sorry I am now jaded about mileage claims, so I would believe it when I see 100 mpg.
 
I would be happy to just get the mileage stated by the factory or even 3/4 of it, certainly I expect to get more than half the specified mileage!
#50 of 74
Re: Hybrid Prius that gets over 100 Miles per Gallon [gagrice] by shalwechat
Feb 28, 2007 (11:10 am)
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Replying to: gagrice (Feb 26, 2007 1:54 pm)

"If you priced the Prius battery at $3k-$5k you are about on the money. They have not come down in the last 7 years."
 
seven years ago people were stating batteries were costing 8 grand to 10 grand to replace. I was born at night,..but not last night.
 
According to Toyota, the cost to replace the battery is $3,000 and lets throw in another 2,000 for labor...so 5 grand. and lets throw in another grand, so one can feel cheated and taken advantaged of by the stealership. Thats a new Prius battery and 3,000 for labor to install a battery.
 
http://www.toyota.com/html/hybridsynergyview/2006/fall/battery.html
 
So if the price for a battery significantly differs from Toyota's pice, one should call Toyota and tell em. Toyota designed the Prius to have easy to replace parts. They realized that auto mechanics are not eletrical engineers and the prius was design with that in mind.
 
" They have two very bad characteristics. They can combust if over charged and they have a relatively short lifespan. These are big obstacles to the 100 MPG hybrid."
 
Many batteries will explode if overcharged. A plain jane car battery will combust if its jumped the wrong way. Im sure the people at calcars have some type of state of charge computer built into their system. I know the Prius does have a state of charge computer in to promote battery life and overcrahrging and undercrarging. This is old technology and one doe not need to revinvent the wheel everytime a new ev or hybrid car comes out.
#51 of 74
Re: Hybrid Prius that gets over 100 Miles per Gallon [shalwechat] by stevedebi
Feb 28, 2007 (12:54 pm)
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Replying to: shalwechat (Feb 28, 2007 11:10 am)

"I know the Prius does have a state of charge computer in to promote battery life and overcrahrging and undercrarging. "
 
True, but the question is - does this same battery life technology also work on LiIon? They are notoriously bad on longevity in laptops. One of the characteristics I found in my Dell is that occasionally it had to be discharged almost fully, or battery use-life would suffer. Also, that battey is now dead; I find LiIon is good for about full 500 cycles.
 
I would be interested to hear from someone who has information on LiIon vs NiMh characteristics in this area.
#52 of 74
Re: Hybrid Prius that gets over 100 Miles per Gallon [stevedebi] by gagrice
Feb 28, 2007 (5:04 pm)
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Replying to: stevedebi (Feb 28, 2007 12:54 pm)

That has been my experience with my two Dell laptops since they started using Li-Ion batteries. I am sure Sony was not happy to recall a big share of the Dell laptop batteries they sold, because of the threat of fire. So it may be old technology. Is it ready for the automobile? Oh, and my 5 year old Dell laptop with a NiMH battery is still doing nearly as good as new.
 
To be practical the PHEV will need a storage system that can use more than 60% of the capacity, as the Toyota hybrids do.

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