Infographic: Biofuels by the Numbers
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Of the many available no- or low-carbon methods to harvest energy, including wind, geothermal, hydroelectric, and solar approaches, conversion of plant biomass to liquid fuels is the most cost-effective strategy, currently contributing 78 percent of the total renewable energy worldwide. While some are concerned that an increased dependence on energy crops will be at odds with the use of land for production of food and feed, the next 25 years could see biofuels rise to the challenge.

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