I'll answer. Of course, that is exactly the objective, because the environmental cost of global warming is, we know, in the billions of billions of dollars.
The bottle that is made purely of recycled resin should, in the end, cost more to the consumer than one that is made partially from recycled material, because I know it's very hard to do it completely for now. At least it is a part—as Mr. Moucachen says, a marriage of the two.