To be fair, we still add 5-10% methanol to industrial alcohol. But also a bunch of bitterants to discourage use.
replyAre adding it or just distill both because it's cheaper?
replyYeast microbes make ethanol, not (much) methanol.
replyAdding. That majority of things we ferment and distill will not produce anywhere close to 5-10% methanol.
replyTo make it poisonous enough that the tax men leave you alone.
replySo cheaper in a circuitous way.