WHILE DRIVING ON HYWY 80 WEST, HIT BLACK ICE, LOST CONTROL OF VEHICLE. VEHICLE SPUN AND THEN FLIPPED END OVER END CAUSING EXTENSIVE IMPACT TO FRONT AND REAR OF VEHICLE. VEHICLE IS EQUIPPED WITH 6 AIR BAGS. NOT ONE OF THEM DEPLOYED!!!! BY THE GRACE OF GOD NO ONE WAS KILLED. THE TWO OCCUPANTS WERE INJURED AND HAD TO HAVE MEDICAL TREATMENT.