There are also ABS, PVC and many others — construction, textiles, shoes, asphalt, consumer goods. But they are not sold as recyclable.
EDIT: can we incinerate trash instead of burning oil? It is a controversial topic.
Would it produce less CO2 than glass? Assuming green energy no, but in such case we could sequence carbon from air. Would it require less energy than recycling? I don't think so.