The Secret of Viable Ethanol: Brazil's Sugar Cane?
America’s subsidy-dependent ethanol farmers may not like it, but a recent U.S. pact with Brazil could pave the way to an efficient global market in biofuels—and that could change the game.
The only obstacle to our getting Brazilian ethanol is a 54 cent per gallon tax on imported ethanol, designed to protect a U.S. industry which is in no position to provision our own market (and probably will not be for some years to come, if ever).
From The Secret of Viable Ethanol.