Hydrogen is a problem only if we get our hydrogen from fossil fuels or use fossil fuel or nuclear power to get it.
Unfortunately this is how we make electricity these days.
More money needs to be spent on improving:
a) renewable resources (wind, solar, geothermal and tidal)
b) methods of storing this power (better batteries, flywheels, etc.)
One of the ways of storing this power could be hydrogen but I don't think it is wise to get involved in hydrogen just yet. If we go down the hydrogen road now it is too soon. We are still too dependent on fossil fuels and nuclear for us to make a clean break (unintentional pun there).
Electric cars or even hybrids can be made way more efficient but so can our energy generation in general.
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"My hands are on fire. Hands are on fire. Ain't got no more time for all you charlatans and liars."
- Old Man Luedecke
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