Mal kurz Links gegoogelt:

https://www.renewableenergyworld.com/baseload/ethanol-fueled-cropduster-certified-in-brazil-17551/#gref

https://www.wired.com/2008/04/embraer-sells-i/

Embraer also has been selling ethanol conversion kits for customers who purchased earlier versions of the plane. The kits, manufactured by Textron Lycoming, sell for $240,000. Embraer says that in addition to reducing fuel costs, converting an Ipanema to ethanol cuts maintenance and operating costs by 20%.

https://en.wikipedia.org/wiki/Talk%3AEthanol_fuel_in_Brazil

In Brazil, ethanol is now being used in aviation. Small planes, like crop dusters, are switching to ethanol because it is a superior fuel and is more widely available, even in remote parts of the country, than conventional aviation fuel.