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• Featured Resource What's So Advanced About Advanced Biofuels?

  SUMMARY 76 slides This comphrehensive presentation answers the questions: What Are Advanced Biofuels? Why Are They Important?  What Are They Used For?  How... More »

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Activity: Car of the Future - CLEAN Last Updated on 2013-04-01 at 19:41 SUMMARY Selected for the CLEAN Collection. Activity requires four class periods. Computer access is necessary. In this activity, student teams research and develop... More »

Carbon dioxide Last Updated on 2013-02-22 at 12:48 Carbon dioxide (CO2) is a chemical molecule consisting of one carbon atom covalently bonded to two oxygen atoms. At atmospheric pressure and temperature, carbon doixode is... More »

Ethanol Biofuels in the United States Last Updated on 2012-10-07 at 22:48 Biofuels are a major source of renewable energy in the United States. Ethanol produced from corn starch accounts for 90% of the biofuels consumed, but only 5% of all... More »

Turning Plant Sugar into Ethanol Last Updated on 2012-08-22 at 14:54 Today, a vintner creating the next great cabernet, a moonshiner making whiskey, and an engineer processing biomass employ brewer’s yeast, the fungus Saccharomyces... More »

IPCC Fourth Assessment Report, Working Group III:... Last Updated on 2012-07-30 at 14:40 Originally published by our Content Partner: Intergovernmental Panel on Climate Change (other articles) Annex 1 Glossary Editor: Aviel Verbruggen... More »

Biofuels: A Greenhouse-Gas Free Energy Source? Last Updated on 2012-06-04 at 21:19 Most modern engines have the flexibility to combust mixtures containing biofuels. Biofuels are those produced from living materials and include bioethanol, biomethane, and... More »

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Modify Content Sequence for Biofuels