Color is not claimed as a feature of the mark.
The mark consists of the stylized words, letter, and number "Drive N2 Green" inside a an image of a tire with an earth in the center with a leaf that looks like a road on the earth. The letter "N" and number "2" are in the center of the earth. The word "Drive" is at the top left of the tire. The word "Green is at the top right of the tire.
DRIVE GREEN N TWO; DRIVE GREEN NITROGEN