Biofuel filling stations

If you have converted your vehicle to allow running on a certain biofuel (like ethanol, biogas, methane, pure plant oil, ...), you'll also want to be able to acquire the fuel. Since few gas stations all ready offer them, here are some links to maps showing the locations where there are such gas stations:

USA

 * NREL (biodiesel & ethanol GS locations)
 * Energy.gov (ethanol GS locations)
 * Biodiesel.org (biodiesel GS locations