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CO2 gets 73% of its mass from the oxygen it uses for combustion and not from the carbon in the gas (which is something like 85% of the weight of gas). So take t
by GoldenRacer 4y ago
CO2 gets 73% of its mass from the oxygen it uses for combustion and not from the carbon in the gas (which is something like 85% of the weight of gas). So take that 133lbs multiply by 0.85 and divide by 0.27 and you get 356lbs or 71lbs per 100 miles as a rough back of the envelope calculation. Pretty close to the 30kg (66lbs) listed by the parent.
- ses1984 4y agoWhile I didn't consider that CO2 gets mass from oxygen used in combustion, and it's important, the parent post says: >30kg of carbon per 100 miles Also, note that there is 113 pounds of fuel per 500 miles of travel. So take 113 * 0.2 * 0.85 / 0.27 and you get 71 lbs of CO2 per 100mi of travel.
- throwaway894345 4y agoI don't understand what point you're making. It seems like you're redoing GoldenRacer's math and coming to the same conclusion (100 miles = ~30kg co2) but framing it as a rebuttal?
- ses1984 4y agoYeah, oops, brain fart.