DRIVING NORMALLY. LOSS OF POWER. MESSAGE INDICATED REDUCED ENGINE POWE OK TO DRIVE. TRIED TO PULL OVER TO SHOULDER. CAR STALLS IN MIDDLE OF HIGH TRAFFIC HIGH SPEED HIGHWAY. SMOKE APPEARED. COULD NOT GET OUT OF CAR FOR FEAR OF BEING HIT. AT SAME TIME WORRIED ABOUT BEING REAR ENDED. SMOKE THICKENS. FLAMES OUT OF ENGINE COMPARTMENT BUT I DID SEE IT. ALMOST REAR ENDED. PERSON STOPPED AND GOT ME OUT OF THE CAR. A MINUTE LATER FLAMES BUILD AND PENETRATE FIRE WALL. QUICKLY SPREAD TO INTERIOR AND THE CAR WAS ENGULFED IN FLAMES. 1 MINUTE MORE IN THE CAR AND I WOULD HAVE BEEN BURNT OR DEAD. SHAMED IF I WAS REAR ENDED. DANGEROUS AND TRAUMATIC.