How does E85 compare to gasoline?

A gasoline chart with a yellow line that indicates how much the gas costs at different levels of government fuel efficiency.The green line indicates how many miles per gallon the average American burns.The red line indicates the difference between the two numbers.The yellow line is the average price per gallon.  Source:  https://businessinsider.com/e85-gasoline-price-and-fuel-efficiency-rates-2016/