The owner's manual for my 2014 Yamaha gas golf cart states that fuels containing more than 10% ethanol are not recommended. 10% ethanol fuel is therefore OK. The energy content of ethanol-free fuel is about 3% higher than 10% ethanol fuel (and will therefore provide about 3% better fuel mileage) but it costs 60% more. Unless you have an engine that specifically specifies ethanol-free fuel, it isn't clear to me why ethanol-free gas would provide a benefit when the cart is used regularly. If your gas cart sits for long periods of time there could be an advantage to ethanol-free fuel but adding a fuel stabilizer may be OK under these conditions with 10% ethanol fuel. I would equate using ethanol-free fuel in a golf cart that doesn't require such fuel to using 92 octane fuel in a car that only requires 87 octane fuel - it won't hurt anything but it increases your costs without any benefit.
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Originally Posted by Shimpy
I filled up yesterday at Gordans Garage for $3.29 per gal and was happy to put real 87 octane gas in the cart.
Paying about $.20 more a gal isn't going to break me since I only took 3 Gals. and it will last me 2 weeks or more. It was kind of neat pulling up to the pump and hearing the oldtime "ding-ding". Using ethanol gas will eventually give you problems that you really don't want.
Learning how to use the pump was an experience though, not what you are used to. I'll always buy my gas there in the cart or in Brownwood when it is finished.
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