The idea is that some kind of enzyme engineered from the gut of an insect or bacteria could be used to digest difficult-to-recycle plastic so it could be made into new plastic products, which would reduce the need for virgin plastic. Used for things such as coffee cups and packing peanuts, polystyrene is one of the most common plastics in production. It accounts for “up to 7-10% of the total non-fibre plastic production,” according to the paper.
— Read on m.slashdot.org/story/400892