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159 comments on DrumBeat: February 9, 2007

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toilforoil on February 9, 2007 - 1:45pm Permalink | Subthread | Parent | Comments top

If the Energy Star appliance needs to be replaced frequently it may not be worth the investment, energetically. We need a durability label.

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InfinitePossibilities on February 9, 2007 - 3:34pm Permalink | Subthread | Parent | Comments top

"We need a durability label."

We have one. It's called "guarantee period". After a year, or five, if the manufacturer feels good about their product, all bets are off. Yet, my parent's had their fridge for over twenty years and it was a good thing that it died! The new one uses half the electricity.

Be careful what you are asking for. Products that are too durable have their own set of problems. A couple years from now we will wish we could replace the vehicle pool faster than every dozen years.

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sgage on February 9, 2007 - 3:41pm Permalink | Subthread | Parent | Comments top

I read somewhere recently that the manufacture of an automobile accounts for 40% of the total CO2 emission of the thing over its lifetime. So durability would seem to be a good thing in many cases. It would seem to make sense to get maximum life out of our stuff. We sometimes seem to draw a line between stuff and the energy use of that stuff, but making stuff takes lots of energy...

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InfinitePossibilities on February 9, 2007 - 4:52pm Permalink | Subthread | Parent | Comments top

"I read somewhere recently that the manufacture of an automobile accounts for 40% of the total CO2 emission of the thing over its lifetime. It would seem to make sense to get maximum life out of our stuff."

That, unfortunately, is not generally correct. Compare early vs. late replacement. In both cases you have to invest the energy/CO2 to make the replacement car. But since the CO2 emissions for making the next generation cars will continue to fall because of better manufacturing practices and because more and more renewables are going to be used in the energy mix, the total CO2 emissions for it come down in time. In contrast, the CO2 emissions over the lifetime of the SUV stay the same. The longer you wait, the more you waste.

Also keep in mind that when you scrap an SUV, almost two small cars can be made from the recycled materials. In other words: you save enormous amounts of resources.

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Todd on February 9, 2007 - 9:57pm Permalink | Subthread | Parent | Comments top

Actually, the warentee is often doubled depending upon your charge card. Does that mean the manufacturer has somehow singled you out for that one in a hundred that runs twice as long as the one other that non-card users buy?

From an energy point of view, about half of the lifetime energy, IIRC, is involved with the manufacture of the vehicle. Cuba may know something we haven't adopted yet.

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