DRIVING DOWN THE ROAD, STARTED SMELLING GAS, SO I PULLED OVER THE CHECK WHY I SMELLED GAS AND AS SOON ASI OPENS THE HOOD, THE VAN BURST INTO FLAMES FROM UNDER THE HOOD. IT FULLY ENGULFED THE VAN IN ABOUT 3 TO 4 MINUTES AND IS A TOTAL LOSS. THIS HAPPENED ON THE HIGHWAY AND HAD ONLY BEEN DRIVING FOR 15 MINUTES. UNKNOWN WHAT ACTUALLY CAUSED THE FIRE.