TT: Wald: the costs of producing biofuels could well outweigh their benefits - 12.12.2007

Concern about the very evident effects of global warming is prompting a race for solutions, and among the most hyped is biofuel. Proponents say diesel made from corn, grain, wood waste and/or palm oil could drastically reduce carbon dioxide emissions. Agricultural economies are rushing to plant these crops, enticed by the prospect of higher export earnings than they would get from foodstuffs. But environmentalists say the costs of producing biofuels could well outweigh their benefits. Here's more...