Biorenewables update: What is beyond ethanol and biodiesel?
New processing technologies have broadened potential
‘drop-in’ alternatives for transportation fuels
In July 2007, the article entitled, Biofuels: What is beyond ethanol and biodiesel? began the quest to investigate how biofuels will be incorporated into the transportation fuel supply. This article provides a status assessment on the replacement of hydrocarbon-based fuels, chemicals and polymers with carbohydrate and lipid-based materials.
In 2007, ethanol and biodiesel were the biofuels of wide commercial interest; corn, sugarcane, soybeans and palm oil were the main feedstocks for dedicated biofuels facilities. Although that profile has not materially changed, now there is wider interest in developing more fungible biofuels that are drop-ins for gasoline and diesel, and in th
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