Biofuels could increase greenhouse gases: US studies

October, 2009

WASHINGTON — US experts warn that rules governing biofuel production encourage deforestation and mean the technology is therefore a "false" method of reducing greenhouse gas emissions.

In a study to be published Friday in the US journal Science, a group of 13 scientists called for the rules, which contain a loophole exempting carbon dioxide emitted by bioenergy regardless of its source, to be overturned.