https://www.stihl.com/engine-technology-fully-electronic-engine-management.aspx

It claims a 20% fuel savings, but the big deal is reduced emissions.

California's banning small gasoline engine sales in 2024. I suspect every commercial user will stockpile as many gasoline powered implements of destruction that they can afford in 2023.

My 22 year old Honda string trimmer is leaking oil. It's on its third carburetor. The carburetors last about ten years, and the last one was hard to find.