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One thing I have yet to read in print is the notion that each vehicle on the road is its own little power plant, burning it's fuel on-board and spewing it's own emissions into the air. Ethanol? Hydrogen? Same problem, except worse. In an age where CDs are becoming quaint, do you really want to purchase a vehicle that runs on an experimental (and ridiculous) fuel? Not me.
Electric vehicles solve one big problem by centralizing the power plant, where the source of the electricity can then be effectively controlled. Want a solar car? Charge your car using solar! Wind power can be purchased from many utilities around the country as well. 20 years from now your electric car may run on something we haven't even thought of.
And lastly - hats off to had_enough for telling like it is! Everything else is just a distraction.