More funding needs to be provided for research into economically viable bio-butanol manufacture, especially from non-food sources, such as algae and paper pulp. Butanol is non-corrosive, unlike ethanol, so it can be substituted for gasoline, 1:1, and can utilize our existing gasoline distribution systems, as well as our existing gasoline powered vehicles. As a bonus, bio-butanol manufacture can utilize the same processing equipment as ethanol, and the same feedstock. It is also much less evaporative than ethanol, leading to less volatile organic compound production (meaning less smog) than ethanol or gasoline; and it is hydrophobic, meaning it will not absorb water (that's good for your engine).

Also, you don't get drunk from drinking butanol, since it's a poison -- you simply die.