BioDiesel.org is the official site of the National Biodiesel Board, an association that represents the biodiesel industry within the borders of our country.
It provides information on what biodiesel actually is, together with the news that is related to it. You can find guides for different purposes, such as for its use in the cold weather, buying biodiesel, biodiesel handling and many others. In addition to this, it provides loads of links of interest related to biodiesel. There is a link where you can learn about this national board and another one in case you are interested in contacting them. A beautiful design together with a simple yet effective layout put together this informative site that may turn out to be a very useful tool for your everyday life, check it out at Biodiesel.org! 
