It will burn a lot faster and you will not save money if that is what you are going for. There is nothing good about corn or other food based Ethanol for anyone but farmers. Only cellulosic ethanol can be productive and economical, and you can't fill up with that yet.
It is just not worth the risk for your application unless you somehow get E85 for free.
It depends on how expensive the mower is. If it's just a $300 lawn mower, your risks are low. But with a $25000 car which is much more sophisticated, you have to stick by the rules and you risk much more ($). What advantages would the E85 have?
It will burn a lot faster and you will not save money if that is what you are going for. There is nothing good about corn or other food based Ethanol for anyone but farmers. Only cellulosic ethanol can be productive and economical, and you can't fill up with that yet.
It is just not worth the risk for your application unless you somehow get E85 for free.
The alcohol in the stuff may attack various rubber parts in the fuel system. Also, it will cost more than using gasoline.
It depends on how expensive the mower is. If it's just a $300 lawn mower, your risks are low. But with a $25000 car which is much more sophisticated, you have to stick by the rules and you risk much more ($). What advantages would the E85 have?