Pure ethanol (96 %) is highly taxed to discourage its use in alcoholic drinks (harmful to health and society).
Ethanol for fuel, solvent and industry is made cheaper by adding poisonous or ill-smelling substances that are very hard to remove: methanol(causes blindness and madness), pyridine(foul smell) and acoloured dye.
This is denatured alcohol (converted alcohol, red spirit; about 85 % ethanol, 5 % methanol, 1 % other additive plus colour/odour, rest water).
It is unfit and illegal to drink.
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