[PBN] Biofuel decision tree

An interesting 2-pager on sustainability of biofuels can be downloaded
from: http://www.iied.org/pubs/display.php?o=17032IIED

The document includes a proposed decision making tree for the assessment
of the sustainability of biofuel undertakings.
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Check for earlier Pacific Biofuel posts: http://pacbiofuel.blogspot.com/