2002 MAZDA MAZDA6 Electrical Systemalternatorgeneratorregulator Problems

I HAVE A 2002 MAZDA TRIBUTE ES V-6, I PURCHASED IN FEBRUARY, 2002. I BEGAN COMPLAINING OF ELECTRICAL ISSUES (...SPECIFICALLY BATTERY CHARGING/MAINTAINING CHARGE), AT 15000 MILES. INITIALLY, THE CAR WOULD LOSE BATTERY CHARGE; BUT IN JANUARY, 2005, THE FUEL INJECTION SYSTEM WOULD NOT OPERATE PROPERLY. THE BATTERY WAS DETERMINED TO BE FAULTY; AND WAS REPLACED AT NO CHARGE. THE MILEAGE WAS 29,527. APRIL 22, 2005... I WAS IN THE WEST-BOUND LANES OF INTERSTATE 90, IN SPOKANE, WA. THE FREEWAY IS UNDER CONSTRUCTION, WITH 3' SHOULDERS; THEN CONCRETE BARRIERS. IT WAS 5:30 PM, RUSH HOUR. THE CAR DIED COMPLETELY; NOT EVEN ENOUGH ELECTRICAL POWER TO ACTIVATE THE EMERGENCY FLASHING LIGHTS. I IMMEDIATELY DIALED 911 AND THE STATE PATROL; AS I COULD SEE THE POTENTIAL, FOR A MAJOR, MULTIPLE CAR CRASH! I EXITED THE CAR AND GOT OUTSIDE THE CONCRETE BARRIER, RUNNING BACK ABOUT 100 YARDS; WAVING TO THE ONCOMING TRAFFIC TO...