Many alternative fuels being developed and used today, which for the most part are non-petroleum based, will be part of the solution to lowering our fossil fuel use. For in-depth information on alternative fuels such as bio-diesel, and ethanol you can visit the U.S. Dept. of Energy site.
In addition many alternatives exist for the generation of electricity other than fossil fuel burning such as the use of renewable sources of energy:
For more information about renewable energy go here.
The Arkansas energy office maintains a site which contains information about renewable energy resources in Arkansas.