The entire concept of burning food for fuel is wrong.
In all the Pro ethanol states, the ones that grow corn, you can buy straight gasoline for your lawn equipment.
Not in good ole Texas. I guess they figure everyone needs a new weed eater every two years.
You can get it in Texas, just not in the counties the EPA has banned it in (i.e., the cities and anywhere near a city).
U.S. Gasoline Requirements
http://www.exxon.com/USA-English/GFM/Files/US_Gasoline_Map.pdf