The Grass Valley woman who was plucked from her burning car after she crashed into a big rig knows she owes her life to her rescuer, even though she has no memory of that entire day. “I’m just glad he didn’t panic,” Amy Stapleton-Horn said of Scott Teuscher, a Federal Express delivery driver who came on the scene to find both vehicles in flames. “He could have lost his life; he was standing in diesel. It was 30 seconds past when he pulled me out, that my car burned up … I’d be dead if it wasn’t for him.” Stapleton-Horn …