2. Many people, AV, boats, powertoys, lawn equipment (it's own pollution there but that's another article) dislike ethanol in gasoline, especially for older cars.
3. Who wins in the end? The corn farmers for the past, 17 years?
4. Why did it take 17 years for this study to be funded and published.
5. If it's economical to move back to "pure gasoline" will we? Just using pure gasoline means we are 24% more efficient on carbon:
"The research, which was funded in part by the National Wildlife Federation and U.S. Department of Energy, found that ethanol is likely at least 24% more carbon-intensive than gasoline due to emissions resulting from land use changes to grow corn, along with processing and combustion."
Simply incredible, back in 05, it was one a gas shock, gas used to cost $1.25'ish on average and went up quite a bit, $3 or so - https://money.cnn.com/2005/09/01/markets/gas_prices/index.ht... and that was in 2005 dollars. Average car MPG got 14-22mpg.
6. This was not new, even back then everyone knew: https://www.rollingstone.com/politics/politics-news/the-etha... but not exactly how it was 24% more intensive then gasoline.