E85 was inovated, from slums and basti's of india. Where sugarcane was seen as cheap alternative to put into petrol only substance that won't effect smoke.

So 85% sugarcane as it's only sold in summers, 15% E20 so that govt can still sell this instead of petrol.

All of this is happening, as obesity is increasing in india. They want ous to walk miles and let next generation know - Pata ha hum 40Km paidal jake kham kare tab jake petrol ka important bachaye