Biodiesel fueling stations are located in nearly every state in the country. Roll over a state on the map for a count of stations that offer blends of 20% biodiesel (B20) or higher. Some state laws require petroleum diesel to contain a small percentage of biodiesel. To map biodiesel stations near a specific address or city, use the Alternative Fueling Station Locator. For station counts and historical information, see Station Counts by State.