On Fri, 17 May 2013 09:57:33 -0400, "Stormin Mormon"
wrote:

One fire department near me bought a couple
5 gal metal cans of "ethanol free" gasoline. For
the small engines they use in the trade. I told
them of the couple gas stations nearby that
had ethanol free gas, but they didn't seem to
be interested. I'm guessing the gas from the
lawn mower shop in 5 gal tins was more pricey.

The explanation is easy. OPM.