Fuel mileage mods and alternative fuels

Xylene is another additive you should try.

http://water4gas.com/online-books/gassavings/GST-012.html

Be sure to read the last article here.
http://water4gas.com/online-books/gassavings/GST-014.html

If you want to know more about browns gas search yahoo for browns gas, joe cell, waterfuel, HHO, watercar.
Check google videos, too.