Number: 419 recycle, automobile tires <desc> Description: What new uses have been developed for old automobile tires as a means of tire recycling? <narr> Narrative: A relevant document must show advantageous uses of recycled tires, such as: destructive distillation of scrap rubber for valuable chemicals, reef building for fish habitats, filler or binder in asphalt roadway mixes, and burning in a controlled environment for heat generation.