Some further reading to engross all the '
independently thinking individuals' out there. The (fairly obvious) consequences of shifts to some non-fossil fuels (including some comments on nitrous oxide, page 3, which can be fun but is also a greenhouse has with a high carbon equivalent factor) :
http://www.foe.co.uk/resource/briefi...ng_or_fool.pdf
from here,
http://www.foe.co.uk/campaigns/biodi.../biofuels.html