Biofuel's Bumpy Road: The Trials and Tribulations of Algae, Palm Oil, Bioelectricity And More

12/08/2010 05:12 am ET | Updated May 25, 2011

The biofuel craze passed a while ago and more sober assessments of their promises and problems took over, but that doesn't mean by a long shot that there isn't plenty of interesting ongoing work being done. Here's just a sampling of what's gone on just this week trying to turn plants into power: