Study says 10 percent of US fuel supply from biofuels could come from marginal land

In California, a research team from Stanford has undertaken a national survey of the potential for cultivating biofuels on marginal lands that are unused and unsuitable for food cultivation. The team modeled former farm lands that have fallen into disuse or have returned to forest, and calculated that up to 10 percent of the US fuel supply could be satisfied from this source, based on currently understood technologies and feedstocks.  A link to the poster presentation of the study is here.

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