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Originally Posted by NEOWatcher
I don't think that they are saying it is the best way to store energy, it's just a better way than fossil fuels. It is good because the infrastructure and technology to utilize hydrogen based fuels is a close match to what already exists.
Plus; if you can get enough electricity from alternate non-polluting, renewable resources, then the source of hydrogen is simply water. Until that time, hydrogen can be generated by other means while other methods and infrastructure are being refined.
In the mean time, I think the Hybrid will bring us closer to the electric car.
As Bill Murray says "Baby Steps".
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You shoudl not mistake hydrogen as fuel, it is just for energy storage, we have no hydrogen sources, or you expect some perpetual motion enzyme which splits water into O2 and O2 ?
all tecnology is totaly diffrent, and very lossy.
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Originally Posted by Squashed
Another safety advantage of hydrogen is the fact that if it spills it will quickly dissipate into the atmosphere - the vapors, being lighter than air, rise upward away from the vehicle which greatly reduces the likelihood of burning to death inside a car after an accident.
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ok, imagine this scenario car hits something at 100km/h speed in town. Quite likely that will be another car. if we use high presure tanks then you can expect them to explode and release all gas. it will be enough energy for small explosion even if hydrogen will not ignite.
Or if we use cryogenic srorage, prepare for 5% loss of fuel each day.
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The above listed alternatives are even more limited in scope than hydrogen being used in a fuel cell driven vehicle.
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ok what wrong with alternatives? hydrogen cant be used in combustion engine anyway, if you care about efficiency.