https://www.propublica.org/article/delusion-advanced-chemical-plastic-recycling-pyrolysis

«The American Chemistry Council told me it’s impossible to know whether a particular ethylene molecule comes from pyrolysis naphtha or fossil fuel naphtha; the compounds produced are “fungible” and can be used for multiple products, like making rubber, solvents and paints that would reduce the amount of new fossil fuels needed. Its statement called mass balance a “well-known methodology” that’s been used by other industries including fair trade coffee, chocolate and renewable energy.»

Nooooo, not my fair trade coffee! You bastards!