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Review of the Research Strategy for Biomass-Derived by Committee to Review the R&D Strategy for Biomass-Derived

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By Committee to Review the R&D Strategy for Biomass-Derived Ethanol and Biodiesel Transportation Fu

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All rights reserved. edu) for research purposes are copyrighted by the National Academy of Sciences. Distribution, posting, or copying is strictly prohibited without written permission of the NAP. 30 1990 1995 2000 2005 Year 2010 2015 2020 Estimates by NREL for NREL technology Claim by Iogen Estimates by NREL of combined NREL technology and best of industry FIGURE 2-1 Estimated manufacturing costs and the market value of cellulosic biomass-derived ethanol. NOTE: These calculated ethanol values are based on the following assumptions: no significant changes occurred in market fundamentals that would affect the differential between crude oil and gasoline, average fuel octane value, and gasoline vapor pressure specifications; estimated values provide a reasonable return on investment; and industry makes the necessary investments in pipeline infrastructure to transport ethanol-gasoline blends from refineries.

Once the necessary genes are available in the gene pools of bioenergy crops, genomics could also enable the production of novel coproducts. , Arabidopsis thaliana) • methods for rapid and inexpensive mapping and expression studies of the genes that affect economically important traits • efficient means of producing transgenic plants to test the function of isolated and modified genes, including genes from other species OFD should carefully assess its goals for improving feedstock via genomics biotechnology and focus on the areas that are technically feasible and most likely to lead to reductions in cost.

Source: NREL, 1998. A better fundamental understanding of underlying phenomena in all of these technology areas will be crucial to the development of innovative approaches to reducing costs. An understanding of the fundamental mechanisms underlying pretreatment, cellulose and hemicellulose hydrolysis, and consolidated processing can lead to insights on the areas that have the greatest potential for improvement through R&D. As the knowledge base grows, researchers will be able to develop meaningful comparisons among technologies and investigate the effects of changes in key performance parameters on process economics.

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