Borealis, an Austrian producer of polyethylene and polypropylene, has started a €15 million (US$17.5m) investment project in German recycler mtm plastics, while an additional €2.5m ($2.9m) has been set aside for environmental protection and capacity expansion of mtm compact, the sister company of mtm plastics. Both companies were acquired by Borealis in 2016. Says Borealis, the…