we make the hydrogen by using electricity to crack water (we make the electricity by burning coal)https://twitter.com/alexriesart/status/1426485113320218624 …
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4/ Hydrogen has one thing going for it: it has high energy density PER MASS, so if you're trying to finesse the rocket equation (where at t=0 you're lifting all of the fuel for t=1...n, and at t=1 you're lifting all the fuel for t=2..n, etc.), it's a win.
5/ yeah, "solar to hydrocarbon" (i.e. growing corn) certainly works. But I was specifically going down the nuclear route, bc you get much higher energy generation per acre that way. A society that grows corn for all energy uses is a sad one, IMO. https://twitter.com/ITBeHa/status/1426533874386055171 …
counterpoint: concentrated oxygen is economically valuable for medical reasons.
Like us, the birrin are not always rational or optimised in how they use power.
tradeoff H2 is way harder to store than hydrocarbons, but roundtrip efficiency is considerably better - still not good, but synfuels are just abysmal what wins really depends on the application
I always say that artificial hydrocarbons are the real future of cars & trucks. I don't think electric cars are viable in the long run. Too much trouble, & batteries just aren't as good as liquid fuels.
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