Don't forget Fertiliser - comes from gas not oil - but we'd be screwed without it: http://grist.org/article/2010-02-11-tracking-u-s-farmers-supply-nitrogen-fer

Don't forget Fertiliser - comes from gas not oil - but we'd be screwed without it: http://grist.org/article/2010-02-11-tracking-u-s-farmers-supply-nitrogen-fertilizer/ http://grist.org/article/2010-02-11-tracking-u-s-farmers-sup...