DRIVING, SUDDENLY CHARGING STATION LIGHT FLASHED ON SCREEN AND VEHICLE WAS MAKING REVING ENGINE SOUND. PULLED OVER AND SMOKE WAS EXITING FRONT GRILL. ALL ELECTRICAL DIED AND COULDN'T GET KEY OUT OF IGNITION. CALLED TOWING TO AUTO SHOP THAT WAS AVAILABLE IMMEDIATELY. DIAGNOSIS WAS ALTERNATOR HAD IGNITED COMPUTER SYSTEM THEREFORE ALL ELECTRICAL POWER OUTAGE.