Don’t know. My Suzuki S40 was carb up until 2019, the last year they made it. Before the enviroturds killed it.
Other point is still valid. Also, why farm when you can pump your fuel from the ground? In the final analysis, there is simply no good or compelling reason to use productive farmland to make motor fuel that is inferior to gasoline.
That’s why they put this under the Agriculture Dept, just like food stamps. The ag lobby is super powerful in DC.