You can make plastics out of natural gas , and there's a shift to that happening. Also for some plastics some companies are starting to use biotech. And as for

You can make plastics out of natural gas , and there's a shift to that happening. Also for some plastics some companies are starting to use biotech. And as for drugs, there are alternative routes to oil , at least at the research level - but it's a far easier problem, since it's less cost sensitive(per volume).