Companies following new guidelines - including ending the cat and offering training to cane cutters - will be awarded a new quality seal of approval.
Brazil battles to change image as ethanol market crashes
Brazilian ethanol producers are calling for the government to increase the mandated blend in all gasoline sold at the pump from 25% to around 30%, in a bid to stave off the effects of sinking domestic prices and evaporating export opportunities.
14 May 2009 22:00 GMT
Updated
25 November 2012 9:29 GMT
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