The main reason it works in Brazil is because they can make it cheaply from sugar cane. In the U.S., ethanol is just a highly inefficient subsidy for corn farmers.
That's true - when running on ethanol, range is shorter. OTOH, it allows higher compression than gasoline - which is why some cars came with ethanol-only engines. When disassembling engines, we also note there is much less, if any, deposits.
> also corrosive.
This was solved (in cars) in the late 1970's.
> In the U.S., ethanol is just a highly inefficient subsidy for corn farmers.
Maybe not worth it for cars (especially now that we have viable batteries for EVs) but these are different markets.
We always topped up the aircraft tanks every time to minimise condensation.
And it mostly only works because its government subsidised.
But watch the video for the full story: Real Engineering - Why Biofuels Are Terrible https://www.youtube.com/watch?v=OpEB6hCpIGM
One study said that 75% of the price of dairy was subsidized. The fact that I haven't heard of any other studies (or that you even need a study to determine such a number) is a bizarre red flag by itself.