¿Ya es tarde para la promesa del biocombustible?

Promise of Biofuel clouded by Weather Risks, en The New York Times
http://www.nytimes.com/2008/07/01/business/01weather.html?partner=rssuserland&emc=rss&pagewanted=all


Dentro de la sección Business, el artículo tiene un enfoque particular:

Unexpected interruptions in oil supplies have been a factor driving oil prices above $140 a barrel lately. Given the tight oil market, there is little untapped capacity that can be brought online to make up for sudden supply interruptions, whether of oil itself or of the biofuels that are increasingly substituting for oil.