Invest in corn futures.
So this is from the us department of energy:
E85 has about 27% less energy per gallon than gasoline (mileage penalty lessens as ethanol content decreases), but, because ethanol is a high-octane fuel, it offers increased vehicle power and performance.
Beyond the simple mis-truth here, in the same sentence they say "E85 has about 27% less energy per gallon than gasoline", followed by "it offers increased vehicle power..."
I've seen TV ads at 3 in the morning that sounded more honest...