Companies eye enzymes for ethanol production.
D000383:Agriculture; D000393:Air Pollutants; D000397:Air Pollution / Q000517:prevention & control*; D001674:Bioelectric Energy Sources; D018533:Biomass; D002617:Chemical Industry; D003247:Conservation of Natural Resources; D003362:Cost-Benefit Analysis; D000431:Ethanol / Q000737:chemistry*; D008738:Methyl Ethers; D012997:Solvents / Q000737:chemistry*; D001335:Vehicle Emissions