IMO Off road vehicles get poor gas mileage regardless which gas you use, if you want more power you use higher octane product (good example would be TAFC VS TF. Golf cart with single cylinder engine should get a lot more MPG (at least Double what they are getting?) due less weight when compared to car. My car get 27 to 29 MPH around the villages and 34 to 38 on the road. So I am not surprised Regardless which gas you use in your golf cart that the MPG hasn't changed. WHY, they are not fuel efficient. IMO living in the south ethanol make little difference due to the mild temperature changes. Additive cheap insurance (and we know insurance waste of money 99.9% of the time, but we still buy it just in case), I prefer sea foam marine additive if I think I need it.
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