"Setting aside that these are not the CO2 emissions from "burning ethanol", do any of these "machines required for harvesting/producing ethanol" require a "non-

"Setting aside that these are not the CO2 emissions from "burning ethanol", do any of these "machines required for harvesting/producing ethanol" require a "non-ethanol fuel", or do they use that fuel for now just because it's convenient." You can't set that aside. Consider the whole chain of production and usage or be consigned to a disingenuous selective argument upon the level of quack doctors. Plain and simple.