Biofuels Boom Raises Tough Questions from PhysOrg.com
(AP) -- America is drunk on ethanol. Farmers in the Midwest are sending billions of bushels of corn to refineries that turn it into billions of gallons of fuel. Automakers in Detroit have already built millions of cars, trucks and SUVs that can run on it, and are committed to making millions more. In Washington, politicians have approved generous subsidies for companies that make ethanol.
¿Serán buena opción o no los biocombustibles?