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I dunno, maybe there are foods other than grains, that can be grown without too much relative effort, which will provide the neccessary nutrients?

Never ever :eek: There are so many types of biofuel, heaps of different natural oils that are easily grown, it seems like it's a clean possibility. If not, then we may well be driving around in electric cars, getting charged by wind, solar panel, geothermal and nuclear power stations...

The iphone isn't the only phone, and was not the first, which can take photos, surf the net, run apps, or include a touchscreen btw :rolleyes: We may be all driving electric cars one day, or maybe we'll all be driving cars running on biofuel :confused: I'd guess that biofuel is the more...