Match the news with the right headlines. 为下面的新闻选择合适的标题。 The plastic used on some concept vehicles is called polyethylene terephthalate (PET) and is the same material used to make plastic drinking bottles that store soda or spring water. The introduction of PET technology in the automobile industry has the ability to reduce manufacturing costs by 80 percent, leaving a chunk of money leftover for things like, a really cool supercharged engine.