Brazil's Biofuels Under Pressure
The Brazilan city of Sertaozinho is known as the country's ethanol capital. Brazil's biofuel programme has been a great global success, but when Daniel Gallas visited Sertaozinho he found that it is suffering, as biofuels struggle to compete with cheap oil.
http://www.bbc.co.uk/programmes/p02tjcwg?ocid=socialflow_twitter
Heidi G