Bioethanol from Lignocellulosic Biomass: Current Findings Determine Research Priorities

Table 1

Common ethanol-petrol mixtures [1, 31].

Code	Composition	Countries	Comments
E5	Max. 5% anhydrous ethanol, min. 95% petrol	Western Europe	Blends for regular cars
E10	Max. 10% anhydrous ethanol, min. 90% petrol	USA, Europe
E15	Max. 15% anhydrous ethanol, min. 85% petrol	USA, cars >2000
E25	Max. 25% anhydrous ethanol, min. 75% petrol	Brazil
E85	Max. 85% anhydrous ethanol, min. 15% petrol	USA, Europe	Flex-fuel vehicles
E100	Hydrous ethanol (~5.3 wt% water)	Brazil