I'd say that the idiocy of burning food ought to be self-evident, but, in fact, Monsanto's Roundup-ready "Franken-corn" isn't actually "food" in a real sense.
That aside, 95+% of small engine repairs (e.g. lawnmowers, chainsaws) that we see are from gummed up carburetors due to gas station gas. The only reasonable option is to use ethanol-free gas that goes for 20 bucks a gallon.
I hope this is a feint against China, and I am totally down with the plan if this is what is required as a matter of warfare. But I don't like it.