Production of ethanol, the most commonly used biofuel, has prompted concerns about water use and food supply.
Click through the interactive graphic below for information on the different types of biofuels: algae-based, corn-based, soy-based, and cellulosic. Scroll over the different key words for more information about feedstocks and processes, such as the difference between thermochemical and biochemical. production Explore the statistics associated with biofuels by clicking through the arrows.
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