don't forget the emissions from moving all that plastic bullshit around too, Nick! it really adds up. carbon tax would be fine but why not design better. (I recall looking into this but don't have a cite atm)
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We already have the harmonized code / UNSPEC systems though to start with though, so we'd have a good idea of embodied carbon by code, and there'd be a whole business of trying to green certify that you were doing better than average to reduce your taxes.
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And yea - I'm talking more than energy too. Stuff like concrete is the CO2 from natural gas furnaces + the CO2 emitted from the process.
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But something about moving mass consumption manufacturing to net negative carbon without touching the content seems off to me. Medium is the message. I can’t imagine carbon negative high-tech renewables based factories delivering through EV supply chains...the same crap as today.
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It's likely that "touching the content" would likely be things like reducing raw material mass, more heat recycling, etc. - more traditional things that we already know that work. Less so things like moving from ABS to PLA - which has big performance / cost sacrifices.
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