The  Department of Energy has released its latest edition of its Biodiesel Handling and Use Guide. This guide is for those who blend, distribute and use biodiesel and biodiesel blends. It provides information on the proper and safe use of biodiesel blends in heating systems and engines.  It is intended to help fleets, individual users, blenders, distributors, and those involved handling biodiesel understand the procedures for handling and using biodiesel fuels.