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biogas

[bahy-oh-gas] /ˈbaɪ oʊˌgæs/
noun
1.
any gas fuel derived from the decay of organic matter, as the mixture of methane and carbon dioxide produced by the bacterial decomposition of sewage, manure, garbage, or plant crops.
Also, bio-gas.
Origin
1970-1975
1970-75; bio- + gas
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for biogas
  • Many small scale livestock farms hesitate to invest in biogas facilities because they cannot meet the minimum scale.
  • The generators can be powered by biogas extracted from cow manure.
  • The only well-established process for this is the biogas generation, that generates significant additional revenue for farmers.
  • These steps outline the process of creating biogas-a type of biofuel-using otherwise unwanted, formerly living things.
  • Natural gas finds and biogas successes have changed the energy picture.
  • The article already says that on-shore wind power, biogas and new natural gas plants are cheaper than new nuclear power plants.
  • Instead of putting sewage residues into land fills after treatment, pyrolyse them to produce biogas or biofuels.
  • Heck, we're even making biogas from cow manure and renewable fuel from sewage sludge.
  • It is cheaper to extract methane from natural gas underground and biogas manure than from the atmosphere.
  • She has done research on the energy potential and environmental effects of converting livestock manure to biogas.
British Dictionary definitions for biogas

biogas

/ˈbaɪəʊˌɡæs/
noun
1.
a gas that is produced by the action of bacteria on organic waste matter: used as a fuel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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biogas in Science
biogas
  (bī'ō-gās')   
See under biofuel.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Value for biogas

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