Reuters: New-generation biofuels will come from a wide range of sources and no single feedstock may dominate, a conference on second generation biofuels organized by German commodity analysts F.O. Licht heard on Friday. Non-food plants and crops mentioned at the conference as possibilities for use in future biofuels range from corn husks, grasses and algae to jatropha oilseeds, tree bark and twigs. First generation green fuels aimed at reducing global warming are largely produced from …