First Generation Biofuels

First generation biofuels are those made from sugar, starch, or vegetable oil.  Their feedstocks are those that may not be sustainable or might have an impact on food if used in large quantities.  These original first generation biofuels include biodiesel, ethanol, green diesel, bioethers, biogas, and the solid biofuels covering everything from wood and sawdust…

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Liquid Biofuels: Ethanol and Biodiesel

Liquid biofuels are transportation fuels including such fuels as ethanol, biodiesel, renewable diesel, and sustainable aviation fuels. The federal government promotes biofuels as transportation fuels to help reduce oil imports and CO2 emissions. In 2007, the U.S. government set a target to use 36 billion gallons of biofuels by 2022. As a result, nearly all…

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Biomass Gasification

This is a good PowerPoint by Lee Enterprises Expert, Mark Robertson, P.E., about gasification of biomass.  It talks about the uses and global potential for biomass gasification, including CHP, renewable natural gas, syngas refueling, liquid biofuels and transportation RNG.  It discusses the rise in biomass gasification plants less than 2MW, and discusses gasification technologies and…

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A Short History of Biofuels

Introduction History of biofuels? In the modern world, fuels are often equated with fossil fuels:  coal, oil and natural gas.  However, fossil fuels only came into their own during the 20th century.  From the time of the caveman until the early Industrial Revolution, biofuels – namely wood and the advanced biofuel of the day, charcoal – reigned…

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