From Avweb (USA).....
"Lycoming Pushing For Unleaded AVgas
Moving the general aviation fleet off of 100LL and onto an unleaded fuel will bring positive changes and features to powerplants that pilots will want, Lycoming's Michael Kraft said Wednesday at AirVenture. The company says moving from leaded fuel would unlock the full feature set of its iE-2 FADEC engine for the GA market in part because leaded fuels contaminate certain FADEC sensors (octane, for example) "immediately." If that potential could be unlocked, said Kraft, Lycoming's full FADEC would be more advanced than turbine or automotive engines. Read More
Will the 'metalurgy' of our engines take to this OK..??
'Additives' required..??
Cheers
