My mom used to tell me this story. While she was pregnant with me, her and friend of hers were riding in the truck into town. Still on the back roads, a light appeared aboved them. They would speed up, slow down, but light stayed with them.
They rolled the windows down to take a look and all there was, was the bright light and no sound. Except the wind blowing by. Just as soon as they started getting into the town city limites, it sped off.