John wrote:

(Apparently gasoline, benzene, toluene, naphthalene, ethanol, and other
pump gasoline ingredients don't bother people as much when they leak
from the same gasoline tanks, but that is understandable since the human
body can smell or taste MTBE in fare more quantities in drinking water
than these other carcinogenic contaminants.)

Oops, that should say taste MTBE in *far more minute quantities in drinking
water*

Also if your local airport has a mogas pump, can they buy ethanol free
gasoline from their supplier?