Wash the gas with water, the alcohol will attach to the water and you just drain off the mix, it has been done successfully in the aviation world for years to get rid of the alcohol. If you dont believe me, google it. Simple chemistry.

1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!