The question that I had about gasoline additive was referring to the additive for gas with ethanol,and what is suggested as an a

[Buckshott00]

Most gasoline already has 10%-15% ethanol already mixed in the fuel additives are usually methanol, or some other high combustion temp solvent.

[Bo]

Look in the instruction manual for your machine. If it's not in there contact the manufacturer. They will be your best resource. Always look to the maker for questions like that.

[BuckyB]

The question that I had about gasoline additive was referring to the additive for gas with ethanol,and what is suggested as an additive for snowmobiles, ATVs, etc. and chain saws, etc. i understand that a dditive must be added for use in snowmobiles. Was wondering about the rest.