Newswire brought to you by Amyris to join Bunge, Cosan in cane bio-chemicals Dec 08, 2009 SAO PAULO, Dec 8 (Reuters) - U.S.-based Amyris Biotechnologies said on Tuesday it has signed agreements with Brazilian ethanol makers Cosan , Bunge and Acucar Guarani to produce cane-based specialty chemicals and diesel. Load More