No they are not. Will you please post figures for your objections.
ALL my points are valid & current.
Its been proved & shown even on TV that producing ethanol does not produce and energy surplus, gives you LESS MPG and has driven up the prices for a lot of foodstuff (milk, eggs, meats, etc) since there is just a limited supply of corn to go around.
I have seen these quibbles before, and I am not persuaded by them. They take a very narrow view. Couldn’t you just as easily post four drawbacks to gasoline ignoring its many selling points among which it is the work engine of the world? Then you could pretend that you are the smartest man in the world and go on to your Mensa meeting. /s