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Old July 21st, 2006, 11:54 AM   #1
Renegade II
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Default Hummer vs Prius

About half way through the article it compares a Hummer to the Prius. Hummer comes out on top.

http://www.reason.org/commentaries/dalmia_20060719.shtml

Excerpt . . .

Spinella's finding that a Hummer on the whole consumes less energy than a hybrid than even some smaller hybrids and non-hybrids has infuriated environmentalists. And on its face it does seem implausible that a gas-guzzling monster like a Hummer that employs several times more raw material than a little Prius' could be so much less energy-intensive. But by and large the dust-to-dust energy costs in Spinella's study correlate with the fanciness of the car not its size or fuel economy -- with the Rolls Royces and Bentleys consuming gobs of energy and Mazda 3s, Saturns and Taurus consuming relatively minuscule amounts.

As for Hummers, Spinella explains, the life of these cars averaged across various models is over 300,000 miles. By contrast, Prius' life according to Toyota's own numbers is 100,000 miles. Furthermore, Hummer is a far less sophisticated vehicle. Its engine obviously does not have an electric and gas component as a hybrid's does so it takes much less time and energy to manufacture. What's more, its main raw ingredient is low-cost steel, not the exotic light-weights that are exceedingly difficult to make and dispose. But the biggest reason why a Hummer's energy use is so low is that it shares many components with other vehicles and therefore its design and development energy costs are spread across many cars.
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Old July 21st, 2006, 11:59 AM   #2
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I've seen that article before and don't believe it at all.
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Old July 21st, 2006, 01:48 PM   #3
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How much energy does it take to get a Hummer in a Prius?
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Old July 21st, 2006, 01:56 PM   #4
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Quote:
Originally Posted by FrankNBrew
How much energy does it take to get a Hummer in a Prius?
not much when shes willing :tonka:
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Old July 21st, 2006, 02:09 PM   #5
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I always knew my H2 was more effecent then those energy guzzling hybries. I was laughing at some engineers the other day tring to sell the benifits of them...what a joke.
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Old July 21st, 2006, 03:29 PM   #6
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Why don't you believe it Jesus ?
Think about the batteries and all the sophisticated stuff in that Prius.
It does take energy to make those things. Where does that energy come from? Mostly fossil fuel.

You have to think about how little energy is burned in fuel throughout the life of the vehicle compared to the energy used to mine the metals, refine them, process them, form them, assemble etc. Then the amount of plastic and odd materials that are used on a Prius. Plastic is petroleum based . . . along with a lot of that stuff they use.

I believe it totally.

There is also another aspect that was in a recent Car Craft editorial. It talked about the environmental impact of all these new cars that are being built for better economy an all that jazz. He didn't have a way to quantify it, but brought up a point that driving a 30 year old pile that's at least runs well most likely has less environmental impact than the vehicle that just got built. THere was a lot of energy used in the production of that vehicle, and the old car's energy use for production had been spread out for such a period that it had used less energy per mile than a short lived new car ever will.

Hehe,
Good thing I plan to keep my next truck forever.

Take care,
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Old July 21st, 2006, 03:48 PM   #7
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My job is to design cars and all that sophisticated crap. I am well versed in component and vehicle level production, etc.

Also have a stronger-than-most understanding of alternative energy, world ecology, etc.

I think the article is hogwash. Not surprising in this age where science is squashed under big business and religion due to a corrupt administration..



Hehehe... I even went to school in a solar/wind powered facility. :tonka:
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Old July 21st, 2006, 03:58 PM   #8
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Quote:
Originally Posted by Haggar
My job is to design cars and all that sophisticated crap. I am well versed in component and vehicle level production, etc.

Also have a stronger-than-most understanding of alternative energy, world ecology, etc. :tonka:
Thanks for reminding us for the 3,747th time, we'd almost forgot:tonka:
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Old July 21st, 2006, 04:05 PM   #9
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Yeah but this guy *questioned* me..

Questioning Jesus always brings about 3 more reminders..
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Old July 21st, 2006, 04:10 PM   #10
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In general, the logic and math done to reach the conclusions is completely flawed.
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Old July 21st, 2006, 05:02 PM   #11
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Now you are just starting to pad!

+1
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