Did someone inform him that the Prius was recently found to pollute more than a Hummer in its lifetime?
Apparently, nickel-mining is a highly involved process; it is very polluting to make batteries (relative to other technologies on the road).
The eco-nuts discount battery disposal, electrical transmission lines, electricity production and generation...( mining and...).
http://clubs.ccsu.edu/recorder/editorial/print_item.asp?NewsID=188
Yep - they are going after the wrong car!