回複：about electric cars being a waste

I do not have much to say. Autoking is talking based on his own best wishes (which are good wishes!). here are some statistic data:
1. current US capacity of utilities:
http://www.eia.doe.gov/cneaf/electricity/epa/epat2p2.html
2. Cost for generating electricity by different approach
http://www.eia.doe.gov/oiaf/aeo/assumption/pdf/electricity.pdf#page=3
3. Electricity generated by source:
http://www.eia.doe.gov/cneaf/electricity/epm/table1_1.html