"the grain required to fill the tank of a sports utility vehicle with ethanol ... could feed one person for a year"
World Bank – World Development Report
The Guardian reveals all.
Such technology is abhorrent but sadly completely expected. US and UK elections are not won by keeping peasants in the developing world fed but rather by keeping their own electorate in cheap fuel.
Note that my recent enthusiasm for biofuels is specifically related to those derived from algae cultures. These are wholly sustainable, can be carried out on marginal land not currently used for productivity and can even be incorporated into wastewater treatment processes.
PS Ruth Kelly is a cockweasel.