Scientists not as confident about ethanol as politicians

It's pretty above where I stand on ethanol, just read my previous entry. Anyway, I couldn't resist checking the article, Biofuels lure U.S., but agreement on cost elusive on Reuters. "Politicians may be pushing ethanol as a magic bullet for the United States' foreign energy addiction, but even biofuels experts disagree about the cost, efficiency and viability of a ramped-up U.S. biofuels program." (more)