[ikka]

I also understand that adding Ethanol lowers the fuel economy so you end up buying more ethanol diluted gallons of gas to drive the same distance.

In other words, it is an automatic tax increase on gasoline, since in order to drive the same distance you have to buy more gas and pay more taxes.

[Tumbleweed_Connection]

What about the 94 different formulas?

[Free the USA]

In other words, it is an automatic tax increase on gasoline

Exactly