What about the environmental cost of extracting the crude oil, transporting it, refining it, transporting it again, and then burning it? Are we not in danger of leaving a huge problem for future generations to deal with - rising global temperatures, air pollution, oil spills, reliance on a finite resource that can't be recycled? OK for us crinkly folks, but our children and grandchildren will have a lot to sort out.Another point - what about the environmental cost of digging out the heavy and rare metals, transporting them, making the batteries, transporting them, and then disposing of them? Are not in danger of leaving a huge problem for future generations to deal with. OK for us crinkly folks, but our children and grand children will have a lot to sort out.