Ethylene Shortage Due To Hurricane Harvey

http://www.zerohedge.com/news/2017-09-01/harvey-wreaking-havoc-us-chemicals-industry-unprecedented-scale

American manufacturers are struggling to source the chemicals required to produce plastics and other components used in everything from milk jugs to car parts.

Nearly everything is an ethylene derivative.
61% of the US supply is currently gone for the time being.