And you don't think that at least one of the natural resources required to make the batteries wouldn't have to be protected as diligently as oil if those resources were in similar demand? You can't put the whole war bill on oil either, because oil wasn't the only reason. How many children and working poor in other battery producing countries will die from prolonged exposure to the chemicals needed for the car batteries when the demand gets as large as that for oil? So, there are "uncounted" costs on both sides, way way way down on the cost factor list. When it comes to cost/benefit, as a society, we've elected to not spend a dollar chasing a dime. Well, conservatives have anyway...