The mark consists of from left to right, a running bison with brown body with blue spots, black hump, brown head, white horn and yellow front leg and black hooves; a running bison with blue back legs, black body with yellow and blue spots, blue hump and head, white horn and black hooves; a running bison with yellow body with orange and red spots, orange hump, red head and front right leg, yellow front left leg, white horn and black hooves; a running bison with black back legs, brown and blue body with white spots, black hump and head, white horn and black front legs and hooves. Below the running bison is the word "BISON" in upper case brown letters, followed by the word "renewable" in italicized lower case blue letters, followed by the word "ENERGY" in upper case brown letters .