Reply To: What to do with old gas?

[fisherman6]

I avoid using it in anything with a catalytic convertor. Other than that mixing it in with straight gasoline to burn in a 4-stroke is fine in my experience. I sometimes burn excess up in my mower. Most of the time I just use it up at the beginning of the next season in my outboards assuming I know the mix ratio contains sufficient oil for the motor I’m running it in. Not sure about the environmental acceptance of allowing it to evaporate. I thought the reason the government mandated the non-vented fuel cans and why we are encouraged to not get fuel, mow grass, etc. on “ozone action days” is to not allow the fumes to flash off and pollute the air.
-Ben

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