Maybe silly that he didn't explain but he's advice is valid. The long term effects of E10 may not be clear. In any case, this government site says it's ok, so I'd probably not trust that! https://www.e10fuelforthought.nsw.gov.au/compatibility-check
So it's like vaping... But for cars, mate...
@deleted started
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Maybe silly that he didn't explain but he's advice is valid. The long term effects of E10 may not be clear. In any case, this government site says it's ok, so I'd probably not trust that!
https://www.e10fuelforthought.nsw.gov.au/compatibility-check