Yes and no. Not all configurations support biodiesel. That is one of 1000 options available from Freightliner. DX3 and Force HD do not support biodiesel. I'll look into what that option entails.
PLEASE do not send questions via Private Message, my inbox fills up too quickly. Post questions in the forum as a new thread so that other users can benefit from the answers. Use Private Messages for sensitive information only (VIN, Contact info or things you do not want the public to see).