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Hybrid Vehicles Hybrids - News, Reviews and Views in the Press
567 messages, Last post on Oct 30, 2009 at 9:21 PM
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Replying to: stevedebi (Jun 15, 2007 11:13 am) If not, they would never have started down the road with LiON. If they fail, it will likely mean no one will ever figure out how to us LiON in a car. So let's hope they succeed.
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Replying to: larsb (Jun 15, 2007 12:11 pm) http://www.calcars.org/priusplus.html |
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Replying to: larsb (Jun 15, 2007 9:48 am) Toyota = Tundra = Not Correct! 
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Replying to: moparbad (Jun 15, 2007 12:45 pm) Are you talking about the recent engine issues which affected 20 (TWENTY) trucks? "Toyota (TM) has reports of camshafts breaking in the 5.7-liter V-8 engines of about 20 Tundras so far. The flaw was due to a manufacturing defect by a subcontractor. All of the engines are being replaced." And how does Tundra talk get into a " Hybrids - News, Reviews and Views in the Press" forum? There are plenty of Tundra forums to talk Pickups. Go find one.
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Replying to: larsb (Jun 15, 2007 1:05 pm) I agree they are better off keeping what has worked for them so far. PS The jury is still out on the Tundra 5.7L engine. Are all 37,000 engines being replaced? I would hope they replaced the ones that failed.
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Replying to: gagrice (Jun 15, 2007 1:36 pm) Not all the Tundras have the faulty camshaft - they know (or are investigating) which ones have the faulty part and so far have overnighted the engines to the dealers for immediate replacement. And where have you seen them say the next gen will not have LiON? I have not seen that statement. Actually, now I have seen it: link title The Wall Street Journal confirmed today that the next-generation Prius will not use lithium-ion battery technology -- at least for the first few years. The lithium-ion batteries that were to be used in the Prius would have been provided by Panasonic EV Energy Company. The Prius will instead continue to use nickel-metal hydride batteries -- albeit in a higher capacity form to boost mileage over the current generation vehicle. Toyota's decision to not use lithium-ion battery technology could be a big break for General Motors. GM has long been in Toyota's shadow when it comes to hybrid technology, but the company is looking to reverse its fortunes in the coming years. SO, if that is REALLY TRUE, it's not a good sign AT ALL for the progression of battery technology for automobiles. The Chevy Volt will be delayed, the next gen Prius will not hit 94MPG, and the PEVs will likely be postponed. Mark down 6-15-2007 as a bad day in the Hybrid timeline.
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Replying to: larsb (Jun 15, 2007 1:43 pm)  ss. Setting aside batteries, there's probably going to more opportunity over the next few years for them to improve efficiencies in power electronics. The electric power train in these cars has to be a huge part of the overall effectiveness of hybrid technology. I'd love to see a schematic...or take one apart (any volunteers to offer up their Toyota hybrid, in the name of my engineering curiousity?). Advances in silicon, magnetics, and other materials has been steady (much better than batteries) and I'd have to think that's where most of the improvements are going to continue to come from.
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Look at the bright side. They are going to replace it with the new Accord Diesel that will get at least 30% better mileage with no loss of power. You can add those to your fleet running biodiesel and be super clean and renewable. I would rent one of those. |
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Replying to: gagrice (Jun 15, 2007 1:36 pm) Toyota has been excoriated for growing too fast seeming not to be putting the effort into the initial manufacturing. I think you might have made this point once or twice yourself, Gary  So they listened to your advice. Well done, sir  The internal 'official' word on the camshafts is that they caught the bad batch but 20 units slipped thrugh. As in the 'snap ring' issue on the Camry they have given the owers the options.. ..keep and repair ..return and replace ..return for full credit payments are extended until the repair or replacement is finished at no penalty. A similar replacement is offered in the interim.
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