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BMW and other 3rd parties have been stating for 10 years that fiber can be produced at the same cost as steel.
A few 3rd parties claim to have the tech to make fiber at 1/10 the cost of steel but have no takers due to 10+ year design cycles
Meanwhile we need all cars and trucks to be under 2000lbs to meet efficiency standards, there are some who believe this is fully possible but auto companies are slow to adopt and loath being stuck with the same dies and design for 10+ years.
It has also been found big lightweight vehicles are just as safe as big heavy vehicles due to the crumple zone being the same.
Beyond government I see no way to make these parties come together, I also doubt GM and Ford would be willing to share dies to get the cost out either.
Ah well, fiber is always 10 years away, see if that ever changes.
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