A lot goes into the process of turning plant materials into fuel. Here's a look at Oak Ridge National Laboratory's work in biofuels.
This is a close-up of a Populus deltoides leaf. Chloroplasts in the leaves have chlorophyll which captures and converts CO2 during the photosynthesis process.
Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
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Conner Forrest is a Senior Editor for TechRepublic. He covers enterprise technology and is interested in the convergence of tech and culture.