DRIVING TO A FRIENDS HOUSE, ABOUT A 10-15 MIN. DRIVE... FRIEND SAY HE SMELLS SMOKE, LOOK TO THE RIGHT SIDE ONTO THE MIRROR AND ITS SMOKE COMING FROM THE BACK SIDE OF MY CAR. OPEN THE BACK TO LOOK AT THE ENGINE - A LOT OF SMOKE IS COMING OUT AND AS THE SMOKE IS CLEARING MY FRIEND SEES FLAMES AND WE QUICKLY AFTER GRAB A HOSE AND CALL 9-1-1. DON'T KNOW WHAT CAUSED THE FIRE, FIREMEN SAID NOT TO START THE CAR CALLED AAA. FIREMEN SAID WE GOT LUCKY IT DIDN'T REACH THE GAS TANK.