Third Generation Biofuels

Third-generation biofuels are currently those related to algal biomass or linked to utilization of CO2 as feedstock.  Unlike first-generation biofuels which were virtually all related to editable biomass, or second-generation biofuels produced from a wide array of different feedstocks, ranging from lignocellulosic feedstocks to municipal solid wastes, these third-generation biofuels are less developed but offer…

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Second Generation Biofuels

Second-generation biofuels (advanced biofuels), are those biofuels that can be manufactured from various types of non-food biomass. Examples of second generation biofuels are those made from algae, renewable fuels made via the Fischer-Tropsch process, cellulosic ethanol, and bio hydrogen.  Different from the first generation biofuels, made from edible feedstocks like ethanol from sugarcane or corn,…

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First Generation and Second 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 and biogas.  Second generation biofuels are those made from sustainable feedstocks as…

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