According to this article, you can add up to 5% fuel without big fuss:
https://hrcak.srce.hr/file/75680
so my proposal still stands (especially for those ecologically inclined and willing to accept just "adequate" lubrication standards).
As for the Honda case, I wouldn't be surprised if they would recall just the dipstick, to add a third notch as suggested here:
https://www.lubricants.total.com/fuel-dilution-engine-oil-causes-and-effects
https://hrcak.srce.hr/file/75680
so my proposal still stands (especially for those ecologically inclined and willing to accept just "adequate" lubrication standards).
As for the Honda case, I wouldn't be surprised if they would recall just the dipstick, to add a third notch as suggested here:
https://www.lubricants.total.com/fuel-dilution-engine-oil-causes-and-effects