I definitely see electrics and hybrids (the current versions) as potential steps forward towards more efficient technologies, running on different production, storage, and distribution technologies than we currently employ. I'm personally somewhat less concerned about range than life-time, safety, operating condition and cost. At present, most people are looking for fuel cells or ICEs running on hydrogen as being the most probable long term energy carrier for automotive and some mid-range devices, but it might be battery technologies before all is said and done. As I was told a few months ago, it's sort of hard to imagine an electrochemical system lighter than something built on lithium, but that doesn't mean a discovery tomorrow won't change the playing field. At present, nuclear is a strong contender for the best power source of the future, but I would love to see solar cells/photovoltaics come along. As such, new technologies that serve to educate researchers, engineers, and everyone else involved in making the next generation of power technologies is a good thing. I think it's pretty clear that our current operations have a limited lifetime.
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