Small engines are a problem, always have been as far as I know. They're finicky since the carbs have such small orifices. Fuel injected engines don't have those problems as far as I know.
Stabil makes a ethanol additive that works pretty well from what I hear. The father in law just pours in some seafoam in with his gas into the lawn mower and says he hasn't had any hiccups since he started doing so (vs previous he did have issues). So, IMO its not a big deal, you just have to know how to deal with it.
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