Read the following passage and answer the item that follows. Your answer to this item should be based on the passage only.

A bacterium found in the soil outside a bottle recycling plant turned out to be living on the plastic itself. The enzyme it uses cuts the long chains of polyethylene terephthalate back into the two small molecules the plastic was built from, and those molecules are exactly the feedstock a manufacturer would otherwise buy new. In the laboratory the reaction runs at moderate temperatures and leaves no residue that has to be burnt or buried.

Which one of the following statements best reflects the most logical, rational and practical suggestion implied by the passage?