Spheres of influence: Battle of the biofuels.
Manuel
John
J
D003246:Conservation of Energy Resources / Q000191:economics; D004736:Energy-Generating Resources / Q000191:economics*; D004787:Environmental Pollution / Q000032:analysis / Q000517:prevention & control; D000431:Ethanol / Q000737:chemistry* / Q000191:economics; D010578:Petroleum / Q000191:economics; D013024:Soybean Oil / Q000737:chemistry*; D013025:Glycine max / Q000191:economics / Q000254:growth & development; D003313:Zea mays / Q000737:chemistry* / Q000191:economics / Q000254:growth & development
D010578:Petroleum; D000431:Ethanol; D013024:Soybean Oil