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Realistically there is no such thing as a green material for manufacturing. All processed materials involve some sort of carbon footprint. Even if you were to use local wood in building a car, the wood would still incorporate a carbon footprint from it being cut down, transported, any work done to shape and laminate and prepare it would incur some sort of non-enviromentally friendly process.

The best that can be done is to ensure that, that engineers(as they're supposed to) try to maximise productivity while minimising the amount of resources used, that as much material as possible is reused and recycled from old cars and other items (it requires less energy to process old steel than it does to smelt and process new ore.

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16y ago

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