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I read through the link. It appears that someone guesstimated that power plants emit 16 times what a gasoline car does. But he was way off base.
There are people who believe that converting natural gas to hydrogen is less efficient than using natural gas in their vehicles. But I can't tell either way.
I do know that the prius uses 750 watt/hr per mile and a plugin Prius would use about 250 watt/hrs. Even at $2 per gallon using gasoline will cost 4.4 cents per mile and the electric vehicle with 10 cents per kw/hr will cost 2.5 cents per mile. Gasoline can only get more expensive while electricity rates could go up or down. It really depends on how the Grid is developed. Even if gasoline can be made by a renewable source, it'd still be more expensive than it is now.
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~Allch Chcar
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