The fuel requirements of my dirt bike are much closer to a farm tractor than a turbo charged race car.
Here in the U.S.A. E10 (90% gas, 10% ethanol) is 85-95c a ltr while 100% gas sells for roughly 10% more. Our federal government mandates a very high level of ethanol that the fuel wholesalers have to sell and our government also subsidizes the makers of ethanol billions of dollars each year. Ethanol is actually more expensive to make and if you add in the diesel fuel burned to produce and transport the corn it also pollutes more. So how did we get in this ethanol mess? Politics - follow the money. Politicians vote to give out billions in subsidies most going to million dollar companies like Archer Daniels Midland (ADM). These companies in turn line the pockets of those politicians with campaign donations. Our primary elections for president start in the state of Iowa where a large portion of the corn for ethanol is grown so getting rid of ethanol won't happen unless there is a country wide outcry to do so. The production of ethanol takes good farm land out of agricultural use making farm land harder to find and more expensive to buy. This in turn makes all food more expensive and when the cost of food goes up - everything goes up in cost.