Top 10 Sources for Biofuel : Discovery News - 0 views
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Organic matter is one such source. Materials like corn and soybeans have oil extracts that can be converted to ethanol or biodiesel
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more sustainable than petroleum, meaning they can be regrown and remain productive with less negative impact on our ecosystem.
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Runge estimated that in the United States alone, some 1.3 billion tons of cellulose material could be harvested for biofuel use. Cellulose is basically fiber, and can be found in things ranging from switchgrass to trees such as hybrid poplar and willow.
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Because algae are grown in water, they overcome one of the major problems faced by other biofuels -- competition for land with agricultural crops.