>>14071827vacuum distillation is the most energy efficient way of separating the ethanol from the solution. the least expensive way to get ethanol is to get a license to receive deliveries of fuel grade ethanol.
fuel grade and lab grade ethanol are the same product distributed under different restrictions. everclear is the same stuff too, ethanol is like $80 a gallon as everclear and about $4 a gallon as fuel made of the same molecule.
