Geez, I was talking last Friday to a coworker who hails from western North Carolina, says his family's been `makin' moon' for 200 years. I said that's a line from 1957's "Thunder Road". He replied that that the tanker ran on the same stuff sold from the tank.
Guess so.
Pure grain alcohol has an octane rating of about 113. Mileage being of somewhat less importance than performance to a good ole' boy in a speed contest with a revenue agent, a mid-50's Oldsmobile rocket engine could be tuned to run like greased lightening on alcohol.