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Engineering Materials
Survey: Battery, Engine, Materials Are Top CAFE Techs
9/19/2012

A DuPont-sponsored survey has found that automakers are focused almost equally on improving battery performance, breakthroughs in combustion engine performance, and lighter materials.   (Source: DuPont)
A DuPont-sponsored survey has found that automakers are focused almost equally on improving battery performance, breakthroughs in combustion engine performance, and lighter materials.
(Source: DuPont)

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Ann R. Thryft
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Re: Meaning of graph?
Ann R. Thryft   9/21/2012 12:20:16 PM
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Thinking_J, the pie chart represents categories summing up this section of the results of the survey, which included many questions posed to respondents. There are also other illustrations depicting somewhat different data from the survey, which you can access using the link we provided.

Ann R. Thryft
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Re: RE - Meaning of graph?
Ann R. Thryft   9/21/2012 12:22:34 PM
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I asked Carole, the DuPont spokeswoman quoted in the article, if we could give more details. Carole, thanks for sharing these with our audience and addressing their questions about DuPont's survey design and the survey respondents.

Ann R. Thryft
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Re: Tires didn't make the list
Ann R. Thryft   9/21/2012 12:40:12 PM
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Lou and Matt, I suspect aerodynamics issues run smack into fashion and style issues, and what the car companies think people want in terms of appearance.

Rob Spiegel
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Re: How real are combustion engine breakthroughs?
Rob Spiegel   9/21/2012 2:35:36 PM
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I agree, Mydesign. Until there is a significant breakgrough, the EVs will probably not contribute greatly to meeting CAFE standards. As it stands now, the EVs will proably not have sufficient sales to help car makers meet CAFE.

Charles Murray
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Re: How real are combustion engine breakthroughs?
Charles Murray   9/24/2012 7:53:57 PM
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I agree, Rob. EVs have the potential to help boost CAFE, but first, someone's going to have to sell them. Nissan Leaf's recent sales numbers have been unimpressive.

Rob Spiegel
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Re: How real are combustion engine breakthroughs?
Rob Spiegel   9/24/2012 9:24:52 PM
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I agree, Chuck. weak sales of EVs make EVs a weak contributor to CAFE standards. Of course that could change quickly if battery technology breakthroughs bring down the cost of EVs and hybrids. What do you think the chances of that are?

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