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"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"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/biofuels-bumpy-road-the-trials-and-tribulations-of-algae-palm-oil-bioelectricity-feedstocks-birds.html>