Hybrid technologies coupled with better production methods will prove to eventually streamline the entire process. It's all a big work in progress, as everything always is.
Yes, something like solar panels require great amounts of energy to produce them. However as demand and then the supply increseas, not only will the cost decrease but so will the per unit environmental cost (in many cases, I'm generalizing a bit).
So, lets not all be too cynical of new technologies as start up costs of all varieties will almost always exist.
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Still fighting entropy.
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