As some of you may know, most general aviation airplanes use 100LL aviation fuel, but with the rising costs of gas, more and more people are turning to mogas (regular pump gasoline). While this is a great avenue, ethanol causes problems for aircraft, so the EAA has come up with a way to test your local fuels for ethanol. I thought this just may be handy for those wanting to avoid putting ethanol fuels into their cars.
The tests specifies to use a 1000 mL container, but people I know are using only 100 mL containers in the essence of trying not to waste too much fuel.
Also, there is a small gadget that can be had from ACS to test % ethanol in gasoline: