This helps cure the urban legand[s]

Get a fresh 5 gallon can of lawnmower gas, get a whiff of it, and
leave it sit for a month,

then smell it and see if it's started to get "stale"

it happens around my place.



John Wentworth wrote:
Unstabilized gas lasts about 30 days at the most.

CWM

Do you have any authoritive source for that statement? Most of the oil and
gasoline posts here sound like urban legends.