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13 messages, Last post on Mar 31, 2006 at 4:00 PM
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| Is anyone aware of a comprehensive study on hybrid vehicles including the emissions of the recharging electrical supply? With the poor efficiency of gasoline engines and those of electrical devices how can a vehicle that uses both be better than one that uses only one? | |
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Replying to: mo460 (Dec 09, 2005 1:08 pm) |
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Replying to: robertsmx (Dec 09, 2005 1:43 pm) |
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Replying to: mo460 (Dec 10, 2005 4:04 pm) |
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Replying to: mo460 (Dec 10, 2005 4:04 pm) The last version of the EV-1 built by GM was capable of 180 miles on a single charge. Most people would be charging over night when the lowest usage of the power grid is occurring. I have read several owners reports and they were all sad to give up the car when the lease ended. The fact that they used far less energy in itself would tell you that it was less polluting. For us to think about cutting back on fossil fuel usage, the only alternative for large scale use of electric vehicles is nuclear power. We are still producing 50+% of our electricity with coal. Most new generation coming on line is natural gas. So we are very far from cutting back on fossil fuel usage. The University of New Hampshire did a study on producing biofuel from algae. They claim it is not out of the realm of feasibility to power our cars and become GHG neutral. For now oil is king. The current hybrid craze is just a smoke screen that is doing little to alleviate the problem. It is just allowing people to drive twice as far on the same amount of money. A plugin hybrid such as the Prius would help some. I think it is being held back by some pretty high powered companies. First off they have to get a lot of batteries and who controls that commodity? |
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Replying to: mo460 (Dec 09, 2005 1:08 pm) |
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Replying to: mo460 (Dec 10, 2005 4:04 pm) And even if they could be plugged in, and that energy comes from power plants that pollute, but so would the energy that is required to refine additional petroleum (besides transportation and delivery at the gas stations). |
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| Thanks robertsmx for the reply! Your right, I had not realized that the latest cars don't plug in. My previous research on the web I had not found a good " how it works" that described this. It seems to be very simpily that the hybrids are small engines and elec motors that work together to supply enough power to accelerate and and then the small engine has enough power for the crusing. they also have the motor to recharge the Batts. When braking. Gosh I was getting 50 MPG in the sixtys on my 600CC Fiat and we used the generating feature on our slot cars for braking? | |
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Replying to: mo460 (Dec 10, 2005 4:04 pm) Now, where electricity generators are fuel-oil fired or even coal fired, it would be obvious to anybody that the comparison of exhaust emissions between such powerplants and the current crop of hybrids is a win for the hybrids.
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Replying to: looking4prius (Dec 12, 2005 11:18 am) I suppose that coal-fired plant in the Mojave desert is generating electricity for some other state... nope, actually for Cal-Edison. There is a controversy on right now as to if it will stay open...
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