http://www.nytimes.com/2008/04/15/business/worldbusiness/15food.html?ref=world

By ANDREW MARTIN
Published: April 15, 2008The idea of turning farms into fuel plants seemed, for a time, like one of the answers to high global oil prices and supply worries. That strategy seemed to reach a high point last year when Congress mandated a fivefold increase in the use of biofuels.

But now a reaction is building against policies in the United States and Europe to promote ethanol and similar fuels, with political leaders from poor countries contending that these fuels are driving up food prices and starving poor people. Biofuels are fast becoming a new flash point in global diplomacy, putting pressure on Western politicians to reconsider their policies, even as they argue that biofuels are only one factor in the seemingly inexorable rise in food prices.

In some countries, the higher prices are leading to riots, political instability and growing worries about feeding the poorest people. Food riots contributed to the dismissal of Haiti's prime minister last week, and leaders in some other countries are nervously trying to calm anxious consumers.

At a weekend conference in Washington, finance ministers and central bankers of seven leading industrial nations called for urgent action to deal with the price spikes, and several of them demanded a reconsideration of biofuel policies adopted recently in the West.

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Skeptics have long questioned the value of diverting food crops for fuel, and the grocery and live- stock industries vehemently opposed an energy bill last fall, arguing it was driving up costs.

A fifth of the nation's corn crop is now used to brew ethanol for motor fuel, and as farmers have planted more corn, they have cut acreage of other crops, particularly soybeans. That, in turn, has contributed to a global shortfall of cooking oil.

Spreading global dissatisfaction in recent months has intensified the food-versus-fuel debate. Last Friday, a European environment advisory panel urged the European Unionto suspend its goal of having 10 percent of transportation fuel made from biofuels by 2020. Europe's well-meaning rush to biofuels, the scientists concluded, had created a variety of harmful ripple effects, including deforestation in Southeast Asia and higher prices for grain.