Polish fertiliser manufacturer, Zaklady Azotowe Pulawy S.A (Pulawy), and Polskie Górnictwo Naftowe i Gazownictwo S.A (PGNiG), have signed a one-year agreement on the joint implementation of projects directly involving natural gas. This agreement will allow for Pulawy to increase capacity of AdBlue from 30,000 to 100,000 tons annually.