STARTED ASCENDING OVER A BRIDGE WHEN CAR STARTED TO PUTTER. THEN SMOKE CAME OUT OF THE TAILPIPE. POWER FLICKERED THEN WENT OFF. WAS ABLE TO COAST TO THE SIDE OF THE ROAD. TURNED OFF THE CAR AND IT WAS SMOKING. LOOKED UNDERNEATH THE CAR AND SAW DRIPPING FLUID THEN A SPARK. THAT IS WHEN THE CAR CAUGHT ON FIRE.