Photos: How ORNL turns leaves into biofuel

Populus leaf

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

By Conner Forrest

Conner Forrest is an analyst for 451 Research. He was formerly a Senior Editor for TechRepublic.