WHILE MY FAMILY AND I WERE DRIVING HOME AT A SPEED OF 45MPH WE LOST ENGINE POWER AND BRAKES. UPON THE VEHICLE FINALLY STOPPING, BLACK SMOKE BEGAN TO POUR OUT OF THE ENGINE COMPARTMENT. WE IMMEDIATELY EXITED THE VEHICLE AND SAW FLAMES BEGIN TO SPREAD FROM THE ENGINE. WE WERE NOTIFIED BY AN OFF DUTY DEPUTY THAT HE WAS GOING THE OPPOSITE DIRECTION WHEN HE SAW US WITH A FIRE UNDERNEATH OUR VEHICLE WHILE STILL MOVING. THE VEHICLE ULTIMATELY WENT UP IN FLAMES ALONG WITH EVERYTHING WE HAD INSIDE.