💥🚗💧 Hydrogen powered SUV with 500 mile range 💥🚗💧
(citizenfreepress.com)
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Liquid hydrogen sits at roughly -420 degrees F. When you see a rocket launch, notice the frost and vapor surrounding the large fuel tanks. They use liquid hydrogen and oxygen as fuel. Liquid hydrogen is not exactly safe. First off, it will warm up sitting around and expand and create large pressure or just evaporate into the atmosphere (bye bye energy) or as the hindenberg did, burn up. If you get liquid hydrogen on you you will freeze like Terminator II. So there is some way they are storing the gas and releasing it when needed.
My concerns are refuelling hydrogen cars. I don't think there will be refuelling points where anyone could top up with hydrogen like a service station, far too dangerous. There will have to be specialised points where trained staff refuel the cars, away from housing and any other buildings. Expensive.