You're absolutely right. I couldn't agree with you more. You should know better, and you don't.
Sure, if what you'd wanted was the info then you could have done a search for the prices. If you'd honestly wanted me to save you some work by my sharing my info then you'd have cut the attitude and simply asked politely.
Someday if you ever get tired of trying to feed yourself off other people's taxes, then you'll go beyond just realizing you should know better. You'll actually know better and behave accordingly.
You made a claim that ethanol costs twice as much as gasoline. That claim is false; you know it's false; I know it's false; the other posters on this thread know it's false; and yet, you seem to think you have done a clever thing.