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a biofuel intended for use in diesel engines
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the web for biodiesel
  • biodiesel and related biofuels require processing via both inorganic and biocatalysts.
  • biodiesel users who have heated fuel tanks therefore face a yearround microbe problem.
  • One of the main drivers for adoption of biodiesel is energy security.
Word Origin and History for biodiesel

also bio-diesel, 1992, from bio- + diesel.

Online Etymology Dictionary, © 2010 Douglas Harper
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biodiesel in Science
  (bī'ō-dē'zəl, -səl)   
See under biofuel.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for biodiesel

a fuel made primarily from oily plants (such as the soybean or oil palm) and to a lesser extent from other oily sources (such as waste cooking fat from restaurant deep-frying). Biodiesel, which has found greatest acceptance in Europe, is used in diesel engines and usually blended with petroleum diesel fuel in various percentages (see also renewable energy).

Learn more about biodiesel with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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