@drich82 Fungicide is not any different than insurance, it has to be in place before you know if you will need it. That is what can make the decision tough, but you have to protect your investment.
Overall, the conversion of 33% of all E10 fuel in the U.S. to E15 could potentially displace 100% of Russian import generated gasoline.
If the entire Midwestern defense pad (PADD 2) alone converted E10 to E15 this could displace 98% of Russian import generated gasoline.