Originally Posted by
Flyingmac
"The LAA specifically does not recommend the use of E10 Mogas within our fleet and no aircraft under LAA oversight have been approved for the use of fuels containing E10." This covers a wide range of engines, and is not aircraft type specific. No idea about US of A.
FYI: all MOGAS STCs out of the US prohibit the use of ethanol mixed MOGAS. Only 100% MOGAS is permitted for various reasons.