THE VEHICLE HAD BEEN DRIVEN FOR ABOUT 35 MINUTES AT APPROXIMATELY 70MPH ON THE INTERSTATE. THE VEHICLE UNEXPECTEDLY BEGAN TO PRODUCE A THICK WHITE SMOKE. THE VEHICLE WAS IMMEDIATELY PULLED OVER AND PLACED INTO PARK; THE VEHICLE WAS ALREADY ON FIRE UPON EXITING. THE GRASS BENEATH HAD CAUGHT ON FIRE AS WELL. THE HOOD BEGAN TO BLACKEN INDICATING A FIRE IN THE ENGINE COMPARTMENT CLOSE TO THE FIREWALL. THE ENTIRE INCIDENT TOOK PLACE IN ABOUT THIRTY SECONDS; FROM THE TIME IT BEGAN TO SMOKE TO THE TIME IT WAS ON FIRE BEGIN THE ENTIRE INCIDENT. A TRUCK DRIVER WITH A DRY CHEMICAL FIRE EXTINGUISHER PUT THE ENGINE FIRE OUT; AFTER LIFTING THE HOOD TO A BALL OF FIRE. THE ONLY INJURY BEGIN LIGHT BURNS FROM LIFTING THE HOOD. ESSENTIALLY, MY JEEP WRANGLER, WITH NO AFTERMARKET PARTS INSTALLED, BURST INTO FLAMES FOR NO APPARENT REASON. *TR