ON JULY 26, 2018 VEHICLE LOST ALL POWER AND ENGINE BEGAN SMOKING AND EMITTING FLAMES. CAR WAS IN MOTION AT APPROXIMATELY 70 MPS IN THE MIDDLE OF A TUNNEL ON COLORADO INTERSTATE 70 WITH NO PULL OFF SPACE. CARS BEHIND REPORTED FLAMES FROM UNDER THE VEHICLE. WE WERE ABLE TO EXIT WITHOUT BEING HARMED BUT INHALED HORRIBLE SMELLING FUMES. FIRE DEPARTMENT PERSONNEL DISCONNECT THE BATTERY TO KEEP THE ENGINE FROM CONTINUING TO FLAME AND SMOKE. TOWED OFF INTERSTATE TO SAFE AREA WHERE THEY CONTINUED TO MONITOR VEHICLE FOR CONTINUING SMOKING AND FLAMING.