And the fuel cell holds a great deal of promise.
And, at one time (under Carter) we were actually using the power of the sun, good house design, and good insulation to keep some of our houses warm. The oil lobby killed that one real fast.
There is a LOT of energy available - solar, wind, sea tides, TREMENDOUS shale reserves and coal reserves, nuclear - to adequately supply our needs - and our cars. The economics may change, but the energy is there.
Don't count on oil running out to change travel. Our technology and the profit motive are too good for that. Fuel celled cars have been built and are on the drawing boards. Solar is getting more efficient. And there are things that we have not yet discovered that will radically change our lives. Fusion, for example. Not there yet, but wait 20-40 years.
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