The mark consists of an outlined skull centered in earth, with outlined wings to left and right side of earth. Earth has oceans and continents depicted. Skull has prominent forehead, cheeks, and jaw bone. Skull has two rows of teeth outlined, with canine teeth at end. "Taboo" appears convex above image. "Biofuel LLC" appears concave below image.
Design plus words, letters, and/or numbers
Color is not claimed as a feature of the mark.
Globes with outlines of continents, Bones, human , Wings, birds'