Workers inspect a Quantafuel pyrolysis plant in Denmark. Quantafuel, which runs this plant in Skive, Denmark, is collaborating with BASF’s ChemCycling project to turn pyrolysis oil into chemicals.

YOUNGSTOWN, Ohio — Stacks of red bricks and piles of busted concrete lie on the ground next to what remains of a century old coal-to-steam plant in this city’s reinvented downtown. Sheet metal covers ...

The US Environmental Protection Agency has proposed to remove air emission regulations from plastic pyrolysis plants, also known as chemical or advanced recycling facilities, that break down plastic ...