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i tend to agree with your analysis ....but am holding out hope that carbon nano tube technology will come to the rescue in both electrical storage and in producing a material thats stronger than steel and produce a car that will weigh 1/10th of a modern day vehicle.....
from what i've been reading . But that technology is still only in its infancy stage right now.
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as far as the energy required to produce a bio-diesel product...yes it requires energy to produce it...our country is oil poor but rich in land (acreage)but our tax dollars which required our human energy origionally
to create the surplus money the government uses to pay farmers not to grow crops like tobacco is a huge waste. anything that utilizes solar power ie sunlight to create something else is doing it because of the origional fusion of hydrogen which we havent figured out how to do yet -cost effectively.
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