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  • Hmm, I'm not sure, I'm coming at this from an schoolboy chemistry perspective not a car-person perspective so you might know more about it than me. I assume that x litres of fuel is made of y grams of carbon all of which is converted directly into CO2 at 12:44 ratio by weight. In that case nothing else matters except the amount of carbon burned.

    But yes, I am ignoring brake residue, PM2.5, NOx, incomplete combustion, whatever. Happy to accept that it's more complicated than what I said.

  • No, I almost failed basic chemistry and I either drive like a nan or like Kubica there's no middle ground so I have no idea other than the (probable) shit that's in my head.

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