They also have those little cans of fuel without the oil, for four cycle use. It contains no alcohol, is often a higher octane than regular unleaded, and is supposed to stay fresh for a longer period of time. Here's a bigger container:

http://www.zoro.com/vp-small-engine-fuel...mp;gclsrc=aw.ds

"Forget pounds and ounces, I'm figuring displacement!"

If we accept that: MBG(+)FGSF(=)HBG(F1)
And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1)
Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT?
PB answer: It depends.