Bioethanol can be blended with conventional gasoline by up to 5% in Europe and 15% in the USA. With very minor modifications, significantly higher blends of Bioethanol can be used and in several countries vehicles are equipped to burn these higher blends.
As demand grows, the ethanol industry is expanding the number of commodity crops used to produce bio ethanol. This variation in raw materials can present different sealing challenges. However, the need to control the fluid film and to protect bearings from contamination remains unchanged.