An Ethanol Breakthrough?

Good news from the green front:

At a Brazilian ethanol conference June 4-5, Brazilian government-funded researchers said they have perfected a method of producing cellulosic ethanol that drastically reduces the cost of processing. At this point, the assertion - and many other similarly optimistic claims made at the conference - is unconfirmed. But should it prove true, the world could well be peeking over the horizon at a massive geopolitical, not to mention economic, shift.

Details here.