Amyris Brasil, a subsidiary of Amyris, has announced that it will supply renewable diesel during a 12-month fleet test involving 20 city buses in Rio de Janeiro, Brazil. The renewable fuel derived from sugarcane, known locally as Diesel de Cana, will be blended at a 30 per cent rate with petroleum-derived diesel and used in Mercedes-Benz buses operated by Viação Saens Peña, a Rio-based bus operator. The Rio transportation federation, Fetranspor, will use the data collected during this fleet test to evaluate